mirror of
https://github.com/casjaysdevdocker/ampache
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Add CLAUDE.md and PLAN.md for ampache migration
Documents the canonical repo template spec (CLAUDE.md, copied from the project-wide TEMPLATE.md) and the concrete migration plan for the ampache service stack: Apache + PHP-FPM (php84) + MariaDB-server bundled with the Ampache 7.9.3 web app prebuilt zip from upstream.
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CLAUDE.md
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# casjaysdevdocker repo template spec
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This file is the **canonical spec** for what a properly-set-up `casjaysdevdocker/<repo>` container repo looks like. It is the source of truth for migrations, audits, and new repos.
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- Untracked: this file lives at the repos root, not in any individual repo's git tree.
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- Per-repo: each repo gets `<repo>/CLAUDE.md` (a copy of this file) and `<repo>/PLAN.md` (the concrete plan for that specific service stack), both committed to the repo.
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- Authority: `~/.claude/CLAUDE.md` (52 numbered global rules) is the base. This file extends it for the docker-image work. Existing repo files are *input*, never authoritative — the repos are mostly unfinished.
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---
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## 1. What a repo is
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Each repo builds **one self-contained Docker image** for the service named after the repo. The image:
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- Targets `linux/amd64` and `linux/arm64` via `buildx`.
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- Boots via `tini` → `entrypoint.sh` → init.d service scripts → long-running service.
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- Stores user-modifiable config under `/config/<svc>` (volume).
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- Stores runtime data, logs, DB files under `/data` (volume).
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- Ships a single, **highly-optimized** config in `rootfs/tmp/etc/<svc>/` that replaces the distro defaults at build time.
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- Provides sane defaults: first-run with no env vars works for the common case.
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App-style repos (ampache, wordpress, navidrome, …) ship the **whole stack** the app needs: the app itself at `/usr/local/share/<app>`, a webserver (apache or nginx) to serve it, php-fpm if PHP-based, and a database (mariadb/postgres) if the app needs one. DB-server repos (mariadb, postgres, mongodb, …) ship the DB **plus** apache + php-fpm + the canonical web admin UI (phpmyadmin for mariadb/mysql; pgAdmin/phpPgAdmin for postgres; mongo-express for mongodb; etc.).
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Inferred intent from repo name examples:
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| Repo | What it is |
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|-----------------|-------------------------------------------------------------------------------------------------------------------------|
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| `nginx` | nginx webserver; PHP-FPM upstream on `:9000`; CGI/Lua/etc via `nginx-mod-*` packages |
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| `apache`/`httpd`| apache2 webserver + php-fpm; mod_rewrite/proxy/ssl/etc |
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| `cherokee` | cherokee webserver with **CGI handlers for Ruby, Perl, Python** + **full PHP support** |
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| `lighttpd` | lighttpd webserver + php-fpm/cgi |
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| `caddy` | Caddy webserver (reverse-proxy/auto-TLS) |
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| `traefik` | Traefik edge router |
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| `mariadb` | mariadb-server + apache + php-fpm + **phpmyadmin** at `/usr/local/share/phpmyadmin` |
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| `mysql` | mysql + apache + php-fpm + phpmyadmin |
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| `postgres` | postgresql + apache + php-fpm + **phpPgAdmin/pgAdmin** at `/usr/local/share/phppgadmin` |
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| `mongodb` | mongodb + apache + php-fpm + mongo-express or comparable web UI |
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| `couchdb` | couchdb (built-in Fauxton UI) |
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| `redis`/`valkey`| key-value store; CLI tools |
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| `ampache` | apache + php-fpm + mariadb + ampache app at `/usr/local/share/ampache`; serves the music UI on `:80` |
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| `wordpress` | apache + php-fpm + mariadb + wordpress at `/usr/local/share/wordpress` |
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| `nextcloud` | apache + php-fpm + mariadb + nextcloud at `/usr/local/share/nextcloud` |
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| `gitea`/`forgejo`| the binary, sqlite by default |
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| `bind` | bind9 DNS server |
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| `tor` | tor daemon |
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| `ssl-ca` | a self-signed CA + `openssl`/`certbot` tooling |
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**Always cross-check intent and packages against:**
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- **Distro docs for file paths**: Alpine docs for `/etc/<svc>` layout (and `pkgs.alpinelinux.org` for available package names); Alma/Rocky docs for `/etc/httpd` (rhel-family path).
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- **Project docs for config content**: `nginx.org` for `nginx.conf` directives, `httpd.apache.org` for `httpd.conf`, `mariadb.com` for `my.cnf`, etc.
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- **Upstream Docker images**: when available, `docker pull <upstream>/<image>:latest` and inspect (`docker history`, `docker run --rm -it ... sh`) to confirm canonical install paths and config locations. **Always `docker rmi` to clean up after.**
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Never invent a package name or a config option. `WebFetch`/`WebSearch`/`docker pull` to verify.
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---
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## 2. File inventory (every repo)
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```
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<repo>/
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├── CLAUDE.md # copy of TEMPLATE.md, committed; agent reads this when working in this repo
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├── PLAN.md # this repo's concrete plan: packages, configs, init.d behavior, success criteria
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├── README.md # user-facing install/run docs
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├── LICENSE.md # MIT (per global rule 32) or per-repo as appropriate
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├── Dockerfile # multi-stage, alpine-based by default (rhel for systemd-only repos)
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├── .env.scripts # buildx wrapper config (registry, push, pull, packages list)
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├── .dockerignore
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├── .gitattributes
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├── .gitignore
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├── .gitea/workflows/docker.yaml # gitea CI workflow
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├── Jenkinsfile # optional, if the repo had one
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└── rootfs/ # everything under here is COPYed to / in the build
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├── usr/local/bin/
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│ ├── entrypoint.sh # SHARED template, only the description + CONTAINER_NAME line are repo-specific
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│ └── pkmgr # SHARED template (apt/dnf/apk auto-detect wrapper)
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├── usr/local/etc/docker/
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│ ├── functions/entrypoint.sh # framework functions sourced by entrypoint.sh and 99-<svc>.sh
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│ └── init.d/
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│ └── 99-<svc>.sh # PER-REPO; defines SERVICE_NAME, ETC_DIR, CONF_DIR, EXEC_CMD_BIN/ARGS, hooks
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├── usr/local/share/
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│ ├── <app>/ # for app-style repos: the actual app code (e.g., ampache, wordpress)
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│ ├── phpmyadmin/ # for mariadb/mysql repos
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│ ├── phppgadmin/ # for postgres repos
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│ ├── httpd/default/ # default webroot (used when no app)
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│ └── template-files/
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│ ├── config/ # templates copied to /config/<svc>/ on first run by __initialize_config_dir
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│ ├── data/ # templates copied to /data/<svc>/ on first run
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│ └── defaults/ # default fallbacks
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├── tmp/etc/<svc>/ # PER-REPO optimized configs; copied to /etc/<svc>/ at build time (see §4)
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├── tmp/bin/ # optional; auto-installed to /usr/local/bin/ at build time
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├── tmp/var/ # optional; auto-installed to /var/ at build time
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└── root/docker/setup/ # PER-REPO build-time scripts (see §3)
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├── 00-init.sh
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├── 01-system.sh
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├── 02-packages.sh
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├── 03-files.sh
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├── 04-users.sh
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├── 05-custom.sh # ← service-specific config wipe-and-replace lives here
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├── 06-post.sh
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└── 07-cleanup.sh
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```
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**SHARED vs PER-REPO** (load-bearing distinction — getting this wrong breaks repos):
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- **SHARED** (safe to overwrite from the upstream template): `rootfs/usr/local/bin/entrypoint.sh` (only the description + `CONTAINER_NAME="<svc>"` change per repo), `rootfs/usr/local/bin/pkmgr`, `rootfs/usr/local/etc/docker/functions/entrypoint.sh`.
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- **PER-REPO** (never overwrite from a template — read first; preserve service-specific logic): every script under `rootfs/root/docker/setup/`, `rootfs/usr/local/etc/docker/init.d/*`, everything under `rootfs/tmp/`, everything under `rootfs/usr/local/share/<app>/`.
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---
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## 3. Build-time setup script flow
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`Dockerfile` runs `00-init.sh` → … → `07-cleanup.sh` interleaved with package install. Order and contract:
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| Script | When it runs | What it does |
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|------------------|-----------------------------------------------|----------------------------------------------------------------------------------------------------|
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| `00-init.sh` | Right after `mkdir`s before anything else | Sanity setup; usually empty |
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| `01-system.sh` | After apk repos are configured | System-level tweaks (extra repos, timezone, non-package OS config) |
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| `02-packages.sh` | After `pkmgr install $PACK_LIST` | Per-service post-install tweaks (e.g., compile a module, install a pip/npm package, fetch the app) |
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| `03-files.sh` | After packages are installed | **Auto-installs `rootfs/tmp/{bin,var,etc,data}/*`** into `/usr/local/bin/`, `/var/`, `/etc/`, and the `template-files/` staging dirs. Most repos use the canonical version verbatim. |
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| `04-users.sh` | After files are placed | Create system users/groups the service needs (e.g., `nginx`, `mysql`, `apache`) |
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| `05-custom.sh` | After users | **Service-specific config wipe-and-replace** (see §4). Also: clone wwwroot templates, fetch app source, etc. |
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| `06-post.sh` | After custom | Late tweaks (permissions, symlinks) |
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| `07-cleanup.sh` | Last | Per-service cache cleanup beyond the Dockerfile's generic cleanup |
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The Dockerfile's own RUN steps already do generic cleanup (`pkmgr clean`, `rm -Rf /usr/share/doc/*`, etc.); the per-script `07-cleanup.sh` only handles service-specific files.
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---
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## 4. The wipe-and-replace config flow
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The most important pattern in this template. Goal: the running container's `/etc/<svc>/` contains **only** our optimized config, never distro defaults.
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**Build time:**
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1. Service package install (e.g., `apk add nginx`) creates distro defaults under `/etc/<svc>/` (e.g., `/etc/nginx/{nginx.conf, conf.d/, modules-enabled/, http.d/, mime.types, …}`).
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2. `03-files.sh` copies `rootfs/tmp/etc/<svc>/*` → `/etc/<svc>/*` (overlay only) **and** stages a copy at `/usr/local/share/template-files/config/<svc>/` for runtime seeding.
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3. `05-custom.sh` performs the **wipe-and-replace** (the canonical idiom):
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```sh
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if [ -d "/tmp/etc/<svc>" ]; then
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# preserve distro-shipped files we need (e.g., mime.types when not in tmp/etc/)
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# then wipe defaults
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rm -Rf "/etc/<svc>"/*
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cp -Rf "/tmp/etc/<svc>/." "/etc/<svc>/"
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fi
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```
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For services that auto-discover sub-confs, our `<svc>.conf` ends with an **optional** include like `include /config/<svc>/vhosts.d/*.conf;` (nginx) or `IncludeOptional /config/<svc>/conf.d/*.conf` (apache) so an empty include dir doesn't crash startup.
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**Runtime (entrypoint + 99-<svc>.sh):**
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1. `entrypoint.sh` calls `__initialize_default_templates` / `__initialize_config_dir` / `__initialize_data_dir` which copy `template-files/{defaults,config,data}/<svc>/*` → `/config/<svc>/` and `/data/<svc>/` **only when those target dirs are not already initialized** (via `/config/.docker_has_run` and `/data/.docker_has_run` markers).
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2. `99-<svc>.sh` calls `__initialize_system_etc "$CONF_DIR"` which symlinks/copies the user-editable `/config/<svc>/<file>` → the service's expected runtime path (`/etc/<svc>/<file>` for system services; `/usr/local/share/<app>/config/<file>` for app-stack repos).
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3. `99-<svc>.sh` also ensures runtime dirs exist: `vhosts.d/`, `conf.d/`, `ssl/`, `secure/auth/`, log dirs under `/data/logs/<svc>/`.
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4. Service starts pointing at `/etc/<svc>/<svc>.conf` (or equivalent), which transitively reads from `/config/<svc>/`.
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Net effect: end users edit files under `/config/<svc>/` (volume); the service picks them up; rebuilds and restarts don't trample user changes.
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**Anti-patterns:**
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- Letting distro defaults survive into the running image (didn't wipe `/etc/<svc>/*`).
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- Hardcoding paths in our config that point inside `/etc/<svc>/` instead of `/config/<svc>/` for things users should customize.
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- Copying `template-files/config/<svc>/*` into `/config/<svc>/` unconditionally on every container start (clobbers user edits) — always gate with the init markers.
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- Using a non-optional `include` for `vhosts.d/` (kills the service when the dir is empty on first run).
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---
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## 5. Dockerfile structure
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Multi-stage. Build stage installs packages and runs setup scripts; final stage is `FROM scratch` and `COPY --from=build /. /` for a minimal final image. Exception: containers needing systemd as PID 1 (e.g., blueonyx) are single-stage with `CMD ["/sbin/init"]`.
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Required ARGs in the **header** (preserve per-repo values during migration):
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```dockerfile
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ARG IMAGE_NAME="<repo>"
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ARG PHP_SERVER="<repo>" # often same as IMAGE_NAME
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ARG BUILD_DATE="<YYYYMMDDHHMM>" # auto-bumped by gen-dockerfile / CI
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ARG LANGUAGE="en_US.UTF-8"
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ARG TIMEZONE="America/New_York"
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ARG WWW_ROOT_DIR="/usr/local/share/httpd/default"
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ARG DEFAULT_FILE_DIR="/usr/local/share/template-files"
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ARG DEFAULT_DATA_DIR="/usr/local/share/template-files/data"
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ARG DEFAULT_CONF_DIR="/usr/local/share/template-files/config"
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ARG DEFAULT_TEMPLATE_DIR="/usr/local/share/template-files/defaults"
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ARG PATH="/usr/local/etc/docker/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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ARG USER="root"
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ARG SHELL_OPTS="set -e -o pipefail"
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ARG SERVICE_PORT="<primary port for healthcheck/EXPOSE>"
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ARG EXPOSE_PORTS="<additional space-separated ports>"
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ARG PHP_VERSION="<php82|php83|php84|system|none>"
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ARG NODE_VERSION="system"
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ARG NODE_MANAGER="system"
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ARG IMAGE_REPO="<org>/<repo>"
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ARG IMAGE_VERSION="latest"
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ARG CONTAINER_VERSION="" # "USE_DATE" if buildx should auto-add a date tag
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ARG PULL_URL="casjaysdev/alpine" # or "alpine", "almalinux/10-init", etc.
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ARG DISTRO_VERSION="${IMAGE_VERSION}"
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ARG BUILD_VERSION="${BUILD_DATE}"
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```
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`PACK_LIST` lives in the build stage and is the **single most repo-specific value** — it must be complete and accurate for the service stack:
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```dockerfile
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ARG PACK_LIST="<all packages this stack needs, space-separated, trailing space>"
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```
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Build-stage RUN order (alpine):
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1. `COPY ./rootfs/. /` (early, so setup scripts and `/tmp/etc/` are available before package install)
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2. `RUN pkmgr update; pkmgr install bash`
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3. `RUN` install bash + symlink `/bin/sh` → `bash` (Alpine ships busybox sh)
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4. `ENV SHELL="/bin/bash"; SHELL [ "/bin/bash", "-c" ]`
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5. `COPY --from=gosu /usr/local/bin/gosu /usr/local/bin/gosu`
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6. `RUN` initialize: `mkdir -p` template dirs + `00-init.sh`
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7. `RUN` system: rewrite `/etc/apk/repositories` for the right distro version; `apk update && apk upgrade` + `01-system.sh`
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8. `RUN` pre-package commands (usually empty)
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9. `RUN` install packages from `${PACK_LIST}` via `pkmgr install`
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10. `RUN` `02-packages.sh`
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11. `COPY ./Dockerfile /root/docker/Dockerfile` (so the image carries its own build recipe)
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12. `RUN` updating system files: timezone, nsswitch, php symlinks, .bashrc, `03-files.sh`
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13. `RUN` Custom Settings (usually empty placeholder)
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14. `RUN` users + `04-users.sh`
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15. `RUN` user init (placeholder)
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16. `RUN` OS Settings (placeholder)
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17. `RUN` Custom Applications (placeholder)
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18. `RUN` `05-custom.sh`
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19. `RUN` final commands + `06-post.sh`
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20. `RUN` cleanup (generic) + `07-cleanup.sh`
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21. `RUN echo "Init done"`
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Final stage (`FROM scratch`):
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||||||
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- ARGs re-declared (scratch needs them); ENVs set; standard LABEL block (URLs, vendor, revision = `${GIT_COMMIT}`); `COPY --from=build /. /`; `VOLUME [ "/config","/data" ]`; `EXPOSE ${SERVICE_PORT} ${ENV_PORTS}`; `STOPSIGNAL SIGRTMIN+3`; `ENTRYPOINT [ "tini", "-p", "SIGTERM", "--", "/usr/local/bin/entrypoint.sh" ]`; `HEALTHCHECK ... CMD [ "/usr/local/bin/entrypoint.sh", "healthcheck" ]`.
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||||||
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||||||
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Distro variants:
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- **alpine** (default for ~all repos)
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- **rhel/almalinux** (for repos that need RHEL packages or systemd) — generated via `gen-dockerfile --dir <tmp> rhel`. Almost all are still single-stage with `CMD ["/sbin/init"]`.
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||||||
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||||||
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Generic Dockerfile bug fixes to apply when migrating any repo (these are upstream gen-dockerfile bugs):
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- Missing space before `]`: `[ "$SH_CMD" != "/bin/sh"]` → `[ "$SH_CMD" != "/bin/sh" ]`
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||||||
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- Blank line inside the "Creating and editing system files" RUN block (after `$SHELL_OPTS; \`) — remove the blank line; line continuation is broken otherwise.
|
||||||
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- Unindented `echo ""` in the "Custom Settings" and "Custom Applications" RUN blocks — re-indent to ` echo ""`.
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||||||
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||||||
|
---
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||||||
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|
||||||
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## 6. .env.scripts fields
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||||||
|
|
||||||
|
The buildx wrapper (`/usr/local/bin/buildx`) reads `.env.scripts`. Required fields (current names — older field names are deprecated):
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||||||
|
|
||||||
|
```sh
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||||||
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ENV_DOCKERFILE="Dockerfile"
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||||||
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ENV_REGISTRY_REPO="<repo>" # was ENV_IMAGE_NAME
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||||||
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ENV_USE_TEMPLATE="alpine" # or "almalinux", "debian", "ubuntu"
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||||||
|
ENV_REGISTRY_ORG="<casjaysdevdocker | casjaysdev>" # was ENV_ORG_NAME; must match the org in ENV_REGISTRY_PUSH
|
||||||
|
ENV_VENDOR="CasjaysDev"
|
||||||
|
ENV_AUTHOR="CasjaysDev"
|
||||||
|
ENV_MAINTAINER="CasjaysDev <docker-admin@casjaysdev.pro>"
|
||||||
|
ENV_GIT_REPO_URL="https://github.com/<org>/<repo>"
|
||||||
|
ENV_REGISTRY_URL="https://docker.io" # full URL, not bare "docker.io"
|
||||||
|
ENV_REGISTRY_PUSH="<org>/<repo>" # was ENV_IMAGE_PUSH
|
||||||
|
ENV_IMAGE_TAG="latest"
|
||||||
|
ENV_ADD_TAGS="" # "USE_DATE" to auto-add YYMM tag
|
||||||
|
ENV_ADD_IMAGE_PUSH=""
|
||||||
|
ENV_PULL_URL="<base image>" # e.g. "casjaysdev/alpine", "alpine", "almalinux/10-init"
|
||||||
|
ENV_DISTRO_TAG="${IMAGE_VERSION}"
|
||||||
|
ENV_PLATFORMS="linux/amd64,linux/arm64" # only emit when overriding the default both-archs
|
||||||
|
SERVICE_PORT="<primary>"
|
||||||
|
EXPOSE_PORTS="<extra ports space-separated>"
|
||||||
|
LANG_VERSION=""
|
||||||
|
PHP_VERSION="<system|php82|php83|php84|none>"
|
||||||
|
NODE_VERSION="system"
|
||||||
|
NODE_MANAGER="system"
|
||||||
|
WWW_ROOT_DIR="/usr/local/share/httpd/default"
|
||||||
|
DEFAULT_FILE_DIR="/usr/local/share/template-files"
|
||||||
|
DEFAULT_DATA_DIR="/usr/local/share/template-files/data"
|
||||||
|
DEFAULT_CONF_DIR="/usr/local/share/template-files/config"
|
||||||
|
DEFAULT_TEMPLATE_DIR="/usr/local/share/template-files/defaults"
|
||||||
|
ENV_PACKAGES="<single-space-separated package list — must mirror PACK_LIST in Dockerfile>"
|
||||||
|
```
|
||||||
|
|
||||||
|
`ENV_PACKAGES` and Dockerfile `PACK_LIST` must stay in sync. Single-space separation, no double spaces.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 7. init.d/99-<svc>.sh contract
|
||||||
|
|
||||||
|
Each repo's primary init.d script (named `99-<svc>.sh` for late ordering, or `09-<svc>.sh`/etc. when ordering matters relative to other init.d entries — e.g., php-fpm starts before nginx) defines repo-specific state and calls framework functions defined in `rootfs/usr/local/etc/docker/functions/entrypoint.sh`. Required variable assignments at the top (use the nginx 99-nginx.sh as the reference structure):
|
||||||
|
|
||||||
|
```sh
|
||||||
|
SERVICE_NAME="<svc>"
|
||||||
|
DATA_DIR="/data/<svc>"
|
||||||
|
CONF_DIR="/config/<svc>"
|
||||||
|
ETC_DIR="/etc/<svc>" # or /usr/local/share/<app>/config for app-stack repos
|
||||||
|
TMP_DIR="/tmp/<svc>"
|
||||||
|
RUN_DIR="/run/<svc>"
|
||||||
|
LOG_DIR="/data/logs/<svc>"
|
||||||
|
SERVICE_PORT="<primary>"
|
||||||
|
SERVICE_USER="<svc>" # the daemon's run-as user
|
||||||
|
SERVICE_GROUP="<svc>"
|
||||||
|
EXEC_CMD_BIN='<binary>' # e.g., 'nginx', 'mysqld', 'httpd'
|
||||||
|
EXEC_CMD_ARGS='<args>' # e.g., '-c $ETC_DIR/nginx.conf'
|
||||||
|
IS_WEB_SERVER="yes|no"
|
||||||
|
IS_DATABASE_SERVICE="yes|no"
|
||||||
|
USES_DATABASE_SERVICE="yes|no"
|
||||||
|
DATABASE_SERVICE_TYPE="<sqlite|redis|postgres|mariadb|mysql|couchdb|mongodb|supabase|custom>"
|
||||||
|
ADDITIONAL_CONFIG_DIRS="" # extra /config subdirs to seed/symlink
|
||||||
|
APPLICATION_FILES="..."
|
||||||
|
APPLICATION_DIRS="$ETC_DIR $CONF_DIR $LOG_DIR $TMP_DIR $RUN_DIR $VAR_DIR"
|
||||||
|
```
|
||||||
|
|
||||||
|
Repo-customizable hooks (override the `_local` variants — the framework calls them at the right time):
|
||||||
|
|
||||||
|
- `__run_precopy_local` — before any /config copy
|
||||||
|
- `__execute_prerun_local` — pre-execution setup
|
||||||
|
- `__run_pre_execute_checks_local` — final preflight checks
|
||||||
|
- `__update_conf_files_local` — token replacement in `/etc/<svc>/*` (use `__replace`/`__find_replace`)
|
||||||
|
- `__pre_execute_local` — last-mile actions
|
||||||
|
- `__post_execute_local` — actions in background after service start
|
||||||
|
- `__pre_message_local` — pre-launch banner
|
||||||
|
- `__update_ssl_conf_local` — repo-specific SSL handling
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 8. Per-repo CLAUDE.md and PLAN.md
|
||||||
|
|
||||||
|
When working on a repo, the agent should:
|
||||||
|
|
||||||
|
1. `cd <repo>`
|
||||||
|
2. Read `CLAUDE.md` (this file's content, copied) for the spec.
|
||||||
|
3. Read `PLAN.md` for repo-specific decisions.
|
||||||
|
4. Read every existing file in the repo before editing it (rule 8).
|
||||||
|
5. When uncertain about a package/path/option, `WebFetch` the relevant docs (distro for paths, project for content). Never invent.
|
||||||
|
|
||||||
|
`PLAN.md` template (commit this in each repo):
|
||||||
|
|
||||||
|
```markdown
|
||||||
|
# <repo> migration plan
|
||||||
|
|
||||||
|
## Service intent
|
||||||
|
<one paragraph: what this image provides, who runs it, primary user-facing port>
|
||||||
|
|
||||||
|
## Service stack
|
||||||
|
- <component 1>: <package(s)>; canonical config at <path>
|
||||||
|
- <component 2>: ...
|
||||||
|
|
||||||
|
## Packages (PACK_LIST / ENV_PACKAGES)
|
||||||
|
<list, sourced from pkgs.alpinelinux.org, with one-line justification each>
|
||||||
|
|
||||||
|
## Configs to ship in rootfs/tmp/etc/
|
||||||
|
- /etc/<svc>/<file>: <source: which project's docs>; <key tunings applied>
|
||||||
|
- ...
|
||||||
|
|
||||||
|
## /config/<svc>/ layout (user-editable)
|
||||||
|
- <file> -> symlinked to <runtime path>
|
||||||
|
- vhosts.d/ -> include /config/<svc>/vhosts.d/*.conf (optional)
|
||||||
|
|
||||||
|
## init.d/99-<svc>.sh
|
||||||
|
- SERVICE_NAME, EXEC_CMD_BIN, EXEC_CMD_ARGS
|
||||||
|
- IS_WEB_SERVER / IS_DATABASE_SERVICE / USES_DATABASE_SERVICE
|
||||||
|
- Repo-specific hooks needed: __update_conf_files_local (replace XYZ), ...
|
||||||
|
|
||||||
|
## 05-custom.sh additions
|
||||||
|
- Wipe /etc/<svc>/* and copy from /tmp/etc/<svc>/.
|
||||||
|
- Fetch <app source> if not present
|
||||||
|
- Other service-specific install steps
|
||||||
|
|
||||||
|
## Verification (success criteria)
|
||||||
|
- buildx run Dockerfile succeeds for linux/amd64 + linux/arm64
|
||||||
|
- docker run -d -p <port>:<port> ... starts cleanly; logs show no errors
|
||||||
|
- curl -fsS http://localhost:<port>/<healthpath> returns the expected response
|
||||||
|
- /config/<svc>/ is seeded on first run; editing a file there changes service behavior on restart
|
||||||
|
- (DB repos) connecting with the right CLI client succeeds
|
||||||
|
- (optional) compared against upstream image (`docker pull <upstream>:latest && docker history <upstream>:latest`); upstream image deleted (`docker rmi`) after verification
|
||||||
|
```
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 9. Migration workflow per repo
|
||||||
|
|
||||||
|
1. Create `<repo>/CLAUDE.md` = copy of this `TEMPLATE.md`.
|
||||||
|
2. Read existing files; assemble the PLAN.md.
|
||||||
|
3. **Read each file before changing it** (no batch templating). Apply only the changes that PLAN.md identifies.
|
||||||
|
4. `cd <repo> && rm -f .build_failed && buildx run Dockerfile` — fix any build error before moving on.
|
||||||
|
5. Smoke-test: `docker run --rm -d --name test-<svc> -p <port>:<port> <org>/<repo>:latest`; wait for healthcheck; `curl` the health/main endpoint; `docker exec` and inspect `/config/<svc>/`; stop and remove.
|
||||||
|
6. Commit `CLAUDE.md` and `PLAN.md` to the repo (do NOT commit code changes unless the user has asked — global rule about commits applies).
|
||||||
|
7. Move to next repo with **no carry-over**: spawn a fresh subagent; do not load prior repo's context.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 10. Anti-patterns (never do)
|
||||||
|
|
||||||
|
- Overwriting `rootfs/root/docker/setup/*.sh` from a generic template — these are per-repo.
|
||||||
|
- Overwriting `rootfs/usr/local/etc/docker/init.d/*.sh` from a template — per-repo.
|
||||||
|
- Overwriting `rootfs/tmp/etc/<svc>/*` — per-repo.
|
||||||
|
- Overwriting `rootfs/usr/local/share/<app>/*` — per-repo (the actual application code).
|
||||||
|
- Inventing package names, config keys, or service paths — verify with distro/project docs.
|
||||||
|
- Hardcoding secrets, tokens, internal hostnames (rule 39: every repo is public).
|
||||||
|
- Skipping the wipe-and-replace step (leaves distro defaults active alongside our config).
|
||||||
|
- Using a non-optional include for vhosts.d / conf.d (empty dir crashes the service).
|
||||||
|
- Calling a repo "done" because `buildx` was green; "done" requires the smoke-test passing.
|
||||||
163
PLAN.md
Normal file
163
PLAN.md
Normal file
@@ -0,0 +1,163 @@
|
|||||||
|
# ampache migration plan
|
||||||
|
|
||||||
|
## Service intent
|
||||||
|
|
||||||
|
Self-hosted music streaming server. Single Alpine-based Docker image bundling Apache (httpd) + PHP-FPM (php84) + MariaDB-server + the Ampache web app at `/usr/local/share/ampache`. Apache serves the app's `public/` subfolder (the canonical Ampache web root since v5+). Container exposes `:80`; first run takes the user to `install.php` which provisions the database and creates an admin account. Volumes: `/config` (user-editable settings: ampache config, httpd conf snippets, php-fpm pool, my.cnf, secure/auth) and `/data` (mariadb datadir, logs, uploaded media library if mounted there).
|
||||||
|
|
||||||
|
## Service stack
|
||||||
|
|
||||||
|
- Web server: `apache2` (Alpine) -> `/usr/sbin/httpd`, main config `/etc/apache2/httpd.conf`, vhost include in `/etc/apache2/conf.d/*.conf`. Uses event MPM, mod_rewrite + AllowOverride All for the Ampache `.htaccess`.
|
||||||
|
- App runtime: `php84-fpm` (Alpine) -> `/usr/sbin/php-fpm84`, conf `/etc/php84/php-fpm.conf` + pool `/etc/php84/php-fpm.d/www.conf`. Apache talks to it via `proxy_fcgi` over a unix socket `/run/php-fpm/php-fpm.sock` (no exposed TCP).
|
||||||
|
- Database: `mariadb` + `mariadb-client` (Alpine) -> `/usr/bin/mariadbd`, datadir `/data/db/mariadb`, socket `/run/mysqld/mysqld.sock`. Started by a separate `09-mariadb.sh` so it's up before ampache is rendered.
|
||||||
|
- Application: Ampache 7.9.3 (`ampache-7.9.3_all_php8.4.zip` from upstream GitHub releases — pre-built, vendor/ + node_modules/ already populated, no composer/npm needed at build time). Installed at `/usr/local/share/ampache`; Apache `DocumentRoot` is `/usr/local/share/ampache/public`.
|
||||||
|
|
||||||
|
## Packages (PACK_LIST / ENV_PACKAGES)
|
||||||
|
|
||||||
|
Trimmed from the original kitchen-sink list in the existing Dockerfile. Each package is on `pkgs.alpinelinux.org` (verified for the `edge` branch).
|
||||||
|
|
||||||
|
System glue:
|
||||||
|
- `bash`, `tini`, `curl`, `wget`, `unzip`, `tzdata`, `ca-certificates`, `pwgen` — entrypoint, fetching/extracting the ampache zip, password generation.
|
||||||
|
- `tar`, `gzip` — archive handling.
|
||||||
|
|
||||||
|
Apache:
|
||||||
|
- `apache2`, `apache2-ctl`, `apache2-utils` — server binary, control script, htpasswd/etc.
|
||||||
|
- `apache2-ssl` — mod_ssl (TLS support; off by default but available).
|
||||||
|
- `apache2-proxy` — mod_proxy + mod_proxy_fcgi (required to forward PHP requests to php-fpm).
|
||||||
|
- `apache2-http2` — http/2 support.
|
||||||
|
- `apache2-brotli` — mod_brotli compression.
|
||||||
|
- `apache2-icons`, `apache2-error` — icons + multilingual error pages.
|
||||||
|
|
||||||
|
(Dropped from prior list: `apache2-lua` `apache2-ldap` `apache2-webdav` `apache2-mod-wsgi` `apache-mod-fcgid` `apache2-proxy-html` — none are needed for ampache and `apache2-proxy` is the canonical fcgi backend, not `mod_fcgid`.)
|
||||||
|
|
||||||
|
PHP 8.4 — only the modules Ampache actually requires per upstream docs (PDO, PDO_MYSQL, hash, session, intl, json, curl, simplexml + optional gd, ldap, zip), plus FPM and the bare runtime:
|
||||||
|
- `php84` `php84-fpm` `php84-common` `php84-ctype` `php84-pdo` `php84-pdo_mysql` `php84-mysqli` `php84-mysqlnd` `php84-session` `php84-intl` `php84-curl` `php84-simplexml` `php84-xml` `php84-xmlreader` `php84-xmlwriter` `php84-dom` `php84-mbstring` `php84-iconv` `php84-tokenizer` `php84-fileinfo` `php84-openssl` `php84-phar` `php84-gd` `php84-zip` `php84-bz2` `php84-gmp` `php84-exif` `php84-opcache` `php84-pecl-redis`
|
||||||
|
|
||||||
|
(Dropped from prior list: dba, dev, doc, embed, enchant, ffi, ftp, gettext, imap, ldap (kept off — not needed by ampache out-of-box), litespeed, odbc, pcntl, pdo_dblib, pdo_odbc, pdo_pgsql, pdo_sqlite, pear, pgsql, phpdbg, posix, pspell, shmop, snmp, soap, sockets, sodium, sqlite3, sysvmsg, sysvsem, sysvshm, tidy, xsl, pecl-memcached, pecl-mcrypt, pecl-mongodb, calendar, cgi, bcmath. Kept what either a stock Ampache install touches or is part of ampache's bundled vendor extensions. `composer` is dropped — we use the prebuilt zip, no install step needed.)
|
||||||
|
|
||||||
|
MariaDB:
|
||||||
|
- `mariadb` — server (`/usr/bin/mariadbd`).
|
||||||
|
- `mariadb-client` — `mariadb` CLI client used by the post-execute initdb step.
|
||||||
|
- `mariadb-server-utils` — `mysql_install_db`, `mariadb-admin`, `mariadb-secure-installation`.
|
||||||
|
|
||||||
|
## Configs to ship in rootfs/tmp/etc/
|
||||||
|
|
||||||
|
Wipe-and-replace at build time (per template §4). All paths under `rootfs/tmp/etc/`.
|
||||||
|
|
||||||
|
- `apache2/httpd.conf` — minimal Alpine apache main config: load only the modules we need (mpm_event, mime, dir, alias, authz_core, authz_host, autoindex, deflate, brotli, expires, headers, log_config, mime_magic, negotiation, proxy, proxy_fcgi, rewrite, setenvif, ssl, status, unixd, http2). User/Group `apache:apache`. ServerRoot `/var/www`. Logs to `/data/logs/apache2/{access,error}.log`. PidFile `/run/apache2/httpd.pid`. ErrorLog/LogLevel sensible defaults. Final line: `IncludeOptional /etc/apache2/conf.d/*.conf` and `IncludeOptional /config/apache2/vhosts.d/*.conf` (optional, so empty dir doesn't crash).
|
||||||
|
- `apache2/conf.d/ampache.conf` — vhost: `<VirtualHost *:80>` with `DocumentRoot /usr/local/share/ampache/public`, `<Directory>` block (`Options FollowSymLinks`, `AllowOverride All`, `Require all granted`), `ProxyPassMatch ^/(.+\.php(/.*)?)$ unix:/run/php-fpm/php-fpm.sock|fcgi://localhost/usr/local/share/ampache/public/$1`, `DirectoryIndex index.php index.html`. Sets `SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1` (per upstream Apache vhost, needed for ampache API auth headers). ErrorLog/CustomLog under `/data/logs/apache2/`.
|
||||||
|
- `apache2/conf.d/mpm.conf` — switch to mpm_event explicitly + sane worker tunings.
|
||||||
|
- `php84/php.ini` — production-tuned: `memory_limit = 512M`, `upload_max_filesize = 256M`, `post_max_size = 256M`, `max_execution_time = 300`, `date.timezone = ${TZ}`, `expose_php = Off`, `cgi.fix_pathinfo = 0`, `opcache.enable = 1`, `opcache.memory_consumption = 256`, `opcache.max_accelerated_files = 20000`, `session.save_path = /tmp/php-sessions`.
|
||||||
|
- `php84/php-fpm.conf` — global: `pid = /run/php-fpm/php-fpm.pid`, `error_log = /data/logs/php-fpm/error.log`, `daemonize = no` (we run under our own supervisor), `include=/etc/php84/php-fpm.d/*.conf`.
|
||||||
|
- `php84/php-fpm.d/www.conf` — pool `[www]`, `user = apache`, `group = apache`, `listen = /run/php-fpm/php-fpm.sock`, `listen.owner = apache`, `listen.group = apache`, `listen.mode = 0660`, `pm = dynamic`, `pm.max_children = 20`, `pm.start_servers = 4`, `pm.min_spare_servers = 2`, `pm.max_spare_servers = 8`, `pm.max_requests = 500`, `clear_env = no`.
|
||||||
|
- `my.cnf.d/mariadb-server.cnf` — server config: `[mysqld]` with `datadir = /data/db/mariadb`, `socket = /run/mysqld/mysqld.sock`, `bind-address = 127.0.0.1` (DB only reachable inside container), `port = 3306`, `character-set-server = utf8mb4`, `collation-server = utf8mb4_unicode_ci`, `max_allowed_packet = 64M`, `innodb_buffer_pool_size = 256M`, `log_error = /data/logs/mariadb/mariadb.err.log`, `pid-file = /run/mysqld/mariadb.pid`. `[client]` `socket = /run/mysqld/mysqld.sock`. `[mysqld_safe]` matching log path.
|
||||||
|
- `ampache/ampache.cfg.php.dist` — empty placeholder (or a copy of the ampache-shipped dist file). Real `ampache.cfg.php` is generated by `install.php` on first web visit.
|
||||||
|
|
||||||
|
## /config/<svc>/ layout (user-editable)
|
||||||
|
|
||||||
|
The framework's `__initialize_system_etc` symlinks every file under `/config/<svc>/` back to its `/etc/<svc>/` peer. So our `/config/` seed (via `template-files/config/`) mirrors `/etc/` with the same paths:
|
||||||
|
|
||||||
|
- `/config/apache2/httpd.conf` -> symlinked to `/etc/apache2/httpd.conf`
|
||||||
|
- `/config/apache2/conf.d/ampache.conf` -> symlinked to `/etc/apache2/conf.d/ampache.conf`
|
||||||
|
- `/config/apache2/conf.d/mpm.conf` -> symlinked to `/etc/apache2/conf.d/mpm.conf`
|
||||||
|
- `/config/apache2/vhosts.d/*.conf` -> picked up by the `IncludeOptional` line for user-supplied vhosts
|
||||||
|
- `/config/php84/php.ini` -> `/etc/php84/php.ini`
|
||||||
|
- `/config/php84/php-fpm.conf` -> `/etc/php84/php-fpm.conf`
|
||||||
|
- `/config/php84/php-fpm.d/www.conf` -> `/etc/php84/php-fpm.d/www.conf`
|
||||||
|
- `/config/my.cnf.d/mariadb-server.cnf` -> `/etc/my.cnf.d/mariadb-server.cnf`
|
||||||
|
- `/config/ampache/ampache.cfg.php` -> bind-mounted into `/usr/local/share/ampache/config/ampache.cfg.php` (created post-install by `install.php`; we symlink the live file out to `/config/ampache/` after install completes so it survives container recreation).
|
||||||
|
- `/config/secure/auth/{root,user}/{ampache,mariadb}_{name,pass}` -> generated/used by the framework
|
||||||
|
- `/config/env/{ampache,mariadb}.sh` -> per-service env overrides
|
||||||
|
|
||||||
|
ADDITIONAL_CONFIG_DIRS for ampache will be `/config/apache2 /config/php84 /config/my.cnf.d /config/ampache` so each one runs through `__initialize_system_etc`.
|
||||||
|
|
||||||
|
## init.d/99-ampache.sh (and 09-mariadb.sh)
|
||||||
|
|
||||||
|
Two init.d scripts. MariaDB starts first (`09-`), Apache+PHP-FPM start under ampache (`99-`).
|
||||||
|
|
||||||
|
`rootfs/usr/local/etc/docker/init.d/09-mariadb.sh` — copy of mariadb repo's `09-mariadb.sh` with these knobs:
|
||||||
|
- `SERVICE_NAME="mariadb"`, `EXEC_CMD_BIN='mariadbd'`, `EXEC_CMD_ARGS='--user=$SERVICE_USER --datadir=$DATABASE_DIR --socket=/run/mysqld/mysqld.sock'`
|
||||||
|
- `SERVICE_USER="mysql"`, `SERVICE_GROUP="mysql"`
|
||||||
|
- `IS_DATABASE_SERVICE="yes"`, `DATABASE_SERVICE_TYPE="mariadb"`
|
||||||
|
- `__run_pre_execute_checks_local`: bootstrap datadir if missing (`mysql_install_db --datadir=$DATABASE_DIR --user=mysql`).
|
||||||
|
- `__post_execute_local`: when first run, create the `ampache` database + `ampache` user + grant; write password to `/config/secure/auth/user/ampache_db_pass`.
|
||||||
|
|
||||||
|
`rootfs/usr/local/etc/docker/init.d/99-ampache.sh` — based on nginx's 99-nginx.sh structure:
|
||||||
|
- `SERVICE_NAME="ampache"`, `SERVICE_USER="apache"`, `SERVICE_GROUP="apache"`
|
||||||
|
- `EXEC_CMD_BIN='httpd'`, `EXEC_CMD_ARGS='-D FOREGROUND -f /etc/apache2/httpd.conf'`
|
||||||
|
- `EXEC_PRE_SCRIPT='/usr/sbin/php-fpm84'` — start php-fpm as the pre-script (it reads `/etc/php84/php-fpm.conf` with `daemonize=no` but we run it before httpd; the framework's EXEC_PRE_SCRIPT pattern handles this).
|
||||||
|
- `IS_WEB_SERVER="yes"`, `USES_DATABASE_SERVICE="yes"`, `DATABASE_SERVICE_TYPE="mariadb"`
|
||||||
|
- `WWW_ROOT_DIR="/usr/local/share/ampache/public"`, `ETC_DIR="/etc/apache2"`, `CONF_DIR="/config/apache2"`
|
||||||
|
- `ADDITIONAL_CONFIG_DIRS="/config/php84 /config/my.cnf.d /config/ampache"`
|
||||||
|
- `SERVICE_PORT="80"`
|
||||||
|
- `__execute_prerun_local`: ensure runtime dirs (`/run/apache2`, `/run/php-fpm`, `/run/mysqld`, `/tmp/php-sessions`, `/data/logs/{apache2,php-fpm,mariadb,ampache}`) exist with right ownership; chown `/usr/local/share/ampache/{config,channel,rest,play}` to `apache:apache` for the install.php writes; symlink `/usr/local/share/ampache/config/ampache.cfg.php` -> `/config/ampache/ampache.cfg.php` if not present.
|
||||||
|
- `__pre_execute_local`: wait for mariadb socket to appear (`/run/mysqld/mysqld.sock`) up to 30s before starting apache.
|
||||||
|
- `__update_conf_files_local`: replace `REPLACE_TZ` token in `/etc/php84/php.ini` with `$TZ`. (No tokens in apache or my.cnf — paths are baked in.)
|
||||||
|
|
||||||
|
## 05-custom.sh additions
|
||||||
|
|
||||||
|
Replace the current placeholder content (which only `mkdir`s and creates an empty webapp dir) with:
|
||||||
|
|
||||||
|
1. Wipe distro-default `/etc/{apache2,php84,my.cnf.d}/*` (drop conf.d/{default,info,languages,mpm,userdir}.conf, ssl.conf etc.) so only our shipped files remain after `cp -Rf /tmp/etc/...`.
|
||||||
|
```sh
|
||||||
|
for d in apache2 php84 my.cnf.d; do
|
||||||
|
[ -d /tmp/etc/$d ] || continue
|
||||||
|
rm -Rf /etc/$d/*
|
||||||
|
cp -Rf /tmp/etc/$d/. /etc/$d/
|
||||||
|
done
|
||||||
|
```
|
||||||
|
2. Fetch + install Ampache 7.9.3 prebuilt zip:
|
||||||
|
```sh
|
||||||
|
AMPACHE_VERSION="7.9.3"
|
||||||
|
AMPACHE_URL="https://github.com/ampache/ampache/releases/download/${AMPACHE_VERSION}/ampache-${AMPACHE_VERSION}_all_php8.4.zip"
|
||||||
|
mkdir -p /usr/local/share/ampache
|
||||||
|
cd /tmp
|
||||||
|
wget -q -O /tmp/ampache.zip "$AMPACHE_URL"
|
||||||
|
unzip -q /tmp/ampache.zip -d /usr/local/share/ampache
|
||||||
|
rm -f /tmp/ampache.zip
|
||||||
|
chown -R apache:apache /usr/local/share/ampache
|
||||||
|
# ensure config dir exists for install.php to drop ampache.cfg.php
|
||||||
|
mkdir -p /usr/local/share/ampache/config
|
||||||
|
chown apache:apache /usr/local/share/ampache/config
|
||||||
|
```
|
||||||
|
3. Create runtime dirs needed by apache/php-fpm/mariadb so the first start doesn't trip on missing parents:
|
||||||
|
```sh
|
||||||
|
mkdir -p /run/apache2 /run/php-fpm /run/mysqld /var/log/apache2 /tmp/php-sessions
|
||||||
|
```
|
||||||
|
4. Stage seed `template-files/config/ampache/` with an empty `.gitkeep` so `__initialize_config_dir` creates `/config/ampache/` on first run (the real `ampache.cfg.php` is written by install.php).
|
||||||
|
|
||||||
|
## 04-users.sh additions
|
||||||
|
|
||||||
|
The `mariadb` Alpine package creates the `mysql` user automatically; the `apache2` package creates `apache`. So 04-users.sh stays mostly empty — but add a defensive `addgroup -S apache 2>/dev/null; adduser -S -G apache -h /var/www -s /sbin/nologin apache 2>/dev/null` block in case package ordering doesn't guarantee them.
|
||||||
|
|
||||||
|
## 02-packages.sh additions
|
||||||
|
|
||||||
|
Empty (no per-package compile or pip step needed; the prebuilt ampache zip has all PHP deps inside `vendor/`).
|
||||||
|
|
||||||
|
## Dockerfile changes
|
||||||
|
|
||||||
|
- Update `BUILD_DATE` to `202605091200` (today, 2026-05-09 12:00).
|
||||||
|
- Replace `PACK_LIST` with the trimmed list above.
|
||||||
|
- Keep everything else (multi-stage, scratch final, ARGs, ENVs, volumes, healthcheck).
|
||||||
|
- No structural changes — the template's RUN steps already invoke 00–07 setup scripts in order.
|
||||||
|
|
||||||
|
## .env.scripts changes
|
||||||
|
|
||||||
|
- Sync `ENV_PACKAGES` to match the new `PACK_LIST` (single space separated, no double spaces).
|
||||||
|
- Leave `SERVICE_PORT="80"`, `EXPOSE_PORTS=""`, `PHP_VERSION="php84"`.
|
||||||
|
|
||||||
|
## README updates
|
||||||
|
|
||||||
|
Document the first-run workflow: visit `http://localhost:8080/` → ampache installer → fill in DB host `127.0.0.1`, user `ampache`, password from `/config/secure/auth/user/ampache_db_pass` (or read from `docker exec`), DB name `ampache` (already created by post-execute), web admin → enter desired admin user/email/pass → done. Note the volumes (`/config`, `/data`) and the music library mount pattern (`-v /path/to/music:/media:ro`).
|
||||||
|
|
||||||
|
## Verification (success criteria)
|
||||||
|
|
||||||
|
1. `cd /root/Projects/github/casjaysdevdocker/ampache && rm -f .build_failed && buildx run Dockerfile` succeeds for both `linux/amd64` and `linux/arm64`. Single retry permitted on transient network errors.
|
||||||
|
2. `docker run -d --rm --name test-ampache -p 18080:80 docker.io/casjaysdevdocker/ampache:latest` boots; after ~60s, `docker logs test-ampache | tail -50` shows no fatal errors and shows mariadb + php-fpm + httpd all started (look for "ready for connections", "fpm is running", "Apache/2... configured -- resuming normal operations").
|
||||||
|
3. `curl -fsS -o /dev/null -w '%{http_code}' http://localhost:18080/` returns 200 or 302 (the install.php redirect).
|
||||||
|
4. `docker exec test-ampache ls /config/ampache/ /config/apache2/ /config/php84/ /data/db/mariadb/ /usr/local/share/ampache/public/index.php` — every path exists.
|
||||||
|
5. `docker exec test-ampache mariadb -u root -e 'SHOW DATABASES;'` lists `ampache`.
|
||||||
|
6. `docker stop test-ampache`.
|
||||||
|
|
||||||
|
## Rollback
|
||||||
|
|
||||||
|
If anything in this PLAN.md proves wrong, the existing files are recoverable from git (`git checkout -- rootfs/`). New files (init.d, tmp/etc) can be removed cleanly because they didn't exist before.
|
||||||
Reference in New Issue
Block a user