diff --git a/Dockerfile b/Dockerfile
index ec8d63c..05a5174 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:experimental
+# syntax=docker/dockerfile:1
 # Docker image for debian using the debian template
 ARG IMAGE_NAME="debian"
 ARG PHP_SERVER="debian"
@@ -140,7 +140,7 @@ RUN echo "Updating system files "; \
 
 RUN echo "Custom Settings"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Setting up users and scripts "; \
   $SHELL_OPTS; \
@@ -157,7 +157,7 @@ RUN echo "Setting OS Settings "; \
 
 RUN echo "Custom Applications"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Running custom commands"; \
   if [ -f "/root/docker/setup/05-custom.sh" ];then echo "Running the custom script";/root/docker/setup/05-custom.sh||{ echo "Failed to execute /root/docker/setup/05-custom.sh" && exit 10; };echo "Done running the custom script";fi; \
diff --git a/Dockerfile.10 b/Dockerfile.10
index f6eaddc..be68335 100644
--- a/Dockerfile.10
+++ b/Dockerfile.10
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:experimental
+# syntax=docker/dockerfile:1
 # Docker image for debian using the debian template
 ARG IMAGE_NAME="debian"
 ARG PHP_SERVER="debian"
@@ -140,7 +140,7 @@ RUN echo "Updating system files "; \
 
 RUN echo "Custom Settings"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Setting up users and scripts "; \
   $SHELL_OPTS; \
@@ -157,7 +157,7 @@ RUN echo "Setting OS Settings "; \
 
 RUN echo "Custom Applications"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Running custom commands"; \
   if [ -f "/root/docker/setup/05-custom.sh" ];then echo "Running the custom script";/root/docker/setup/05-custom.sh||{ echo "Failed to execute /root/docker/setup/05-custom.sh" && exit 10; };echo "Done running the custom script";fi; \
diff --git a/Dockerfile.11 b/Dockerfile.11
index 2d4c494..4889943 100644
--- a/Dockerfile.11
+++ b/Dockerfile.11
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:experimental
+# syntax=docker/dockerfile:1
 # Docker image for debian using the debian template
 ARG IMAGE_NAME="debian"
 ARG PHP_SERVER="debian"
@@ -140,7 +140,7 @@ RUN echo "Updating system files "; \
 
 RUN echo "Custom Settings"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Setting up users and scripts "; \
   $SHELL_OPTS; \
@@ -157,7 +157,7 @@ RUN echo "Setting OS Settings "; \
 
 RUN echo "Custom Applications"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Running custom commands"; \
   if [ -f "/root/docker/setup/05-custom.sh" ];then echo "Running the custom script";/root/docker/setup/05-custom.sh||{ echo "Failed to execute /root/docker/setup/05-custom.sh" && exit 10; };echo "Done running the custom script";fi; \
diff --git a/Dockerfile.12 b/Dockerfile.12
index 069311c..ea1fd91 100644
--- a/Dockerfile.12
+++ b/Dockerfile.12
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:experimental
+# syntax=docker/dockerfile:1
 # Docker image for debian using the debian template
 ARG IMAGE_NAME="debian"
 ARG PHP_SERVER="debian"
@@ -140,7 +140,7 @@ RUN echo "Updating system files "; \
 
 RUN echo "Custom Settings"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Setting up users and scripts "; \
   $SHELL_OPTS; \
@@ -157,7 +157,7 @@ RUN echo "Setting OS Settings "; \
 
 RUN echo "Custom Applications"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Running custom commands"; \
   if [ -f "/root/docker/setup/05-custom.sh" ];then echo "Running the custom script";/root/docker/setup/05-custom.sh||{ echo "Failed to execute /root/docker/setup/05-custom.sh" && exit 10; };echo "Done running the custom script";fi; \
diff --git a/Dockerfile.13 b/Dockerfile.13
index d0c6036..29a131d 100644
--- a/Dockerfile.13
+++ b/Dockerfile.13
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:experimental
+# syntax=docker/dockerfile:1
 # Docker image for debian using the debian template
 ARG IMAGE_NAME="debian"
 ARG PHP_SERVER="debian"
@@ -140,7 +140,7 @@ RUN echo "Updating system files "; \
 
 RUN echo "Custom Settings"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Setting up users and scripts "; \
   $SHELL_OPTS; \
@@ -157,7 +157,7 @@ RUN echo "Setting OS Settings "; \
 
 RUN echo "Custom Applications"; \
   $SHELL_OPTS; \
-echo ""
+  echo ""
 
 RUN echo "Running custom commands"; \
   if [ -f "/root/docker/setup/05-custom.sh" ];then echo "Running the custom script";/root/docker/setup/05-custom.sh||{ echo "Failed to execute /root/docker/setup/05-custom.sh" && exit 10; };echo "Done running the custom script";fi; \