[SETUP] Remove the need for duplicate xdebug dockerfiles.

.github/workflows/lint.yml

@@ -4,7 +4,6 @@ on:
     pull_request:
         paths:
             - "docker/**/Dockerfile"
-            - "docker/app/**/Dockerfile_xdebug"
     push:
         branches:
             - main
@@ -23,4 +22,4 @@ jobs:
             - name: "Lint Dockerfile(s)"
               uses: jbergstroem/hadolint-gh-action@v1
               with:
-                dockerfile: "./docker/**/Dockerfile ./docker/app/**/Dockerfile_xdebug"
+                dockerfile: "./docker/**/Dockerfile"

docker-compose.yml

@@ -28,22 +28,25 @@ services:
         volumes:
             - '.:/var/www/html:cached'
         extra_hosts:
+            - host.docker.internal:host-gateway
             - '${LOOPBACK_HOST_NAME}:192.168.35.10' # IP should match the IP address set for nginx below
         depends_on:
             - database
 
     app_xdebug:
         build:
             context: docker/app
-            dockerfile: php${PHP_VERSION:-7.4}/Dockerfile_xdebug
+            dockerfile: php${PHP_VERSION:-7.4}/Dockerfile
             args:
                 USER_ID: ${USER_ID:-0}
                 GROUP_ID: ${GROUP_ID:-0}
+                INSTALL_XDEBUG: true
         env_file:
             - ./docker/app/.env
         volumes:
             - '.:/var/www/html:cached'
         extra_hosts:
+            - host.docker.internal:host-gateway
             - '${LOOPBACK_HOST_NAME}:192.168.35.10' # IP should match the IP address set for nginx below
         depends_on:
             - database

docker/app/.env.dist

@@ -1,6 +1,6 @@
 PHP_XDEBUG_ENABLED=1
 PHP_XDEBUG_REMOTE_PORT=9002
-# Xdebug remote host likely 192.168.35.1 if not using docker or on linux
+# Xdebug remote host likely 192.168.35.1 if not using docker or possibly on linux
 PHP_XDEBUG_REMOTE_HOST=host.docker.internal
 PHP_XDEBUG_IDKEY=wordpress
 PHP_MEMORY_LIMIT=2G

docker/app/php7.4/Dockerfile

@@ -2,16 +2,17 @@ FROM php:7.4.28-fpm
 
 ARG USER_ID
 ARG GROUP_ID
+ARG INSTALL_XDEBUG
 
 # Do all apt-get installs on one line so they are installed on the same layer
 RUN set -eux; \
     apt-get -y update; \
     apt-get -y install git less zip unzip zlib1g-dev libicu-dev g++ libpng-dev libzip-dev libmagickwand-dev --no-install-recommends; \
     apt-get clean && apt-get autoremove; \
     rm -rf /var/lib/apt/lists/*; \
-    pecl install memcache-4.0.5.2; \
+    pecl install memcache-8.0 && docker-php-ext-enable memcache; \
     pecl install imagick && docker-php-ext-enable imagick; \
-    docker-php-ext-enable memcache; \
+    [ "${INSTALL_XDEBUG:-false}" = true ] && pecl install xdebug && docker-php-ext-enable xdebug; \
     docker-php-ext-configure intl; \
     docker-php-ext-install -j"$(nproc)" mysqli opcache zip intl gd
 

docker/app/php8.0/Dockerfile

@@ -2,16 +2,17 @@ FROM php:8.0.17-fpm
 
 ARG USER_ID
 ARG GROUP_ID
+ARG INSTALL_XDEBUG
 
 # Do all apt-get installs on one line so they are installed on the same layer
 RUN set -eux; \
     apt-get -y update; \
     apt-get -y install git less zip unzip zlib1g-dev libicu-dev g++ libpng-dev libzip-dev libmagickwand-dev --no-install-recommends; \
     apt-get clean && apt-get autoremove; \
     rm -rf /var/lib/apt/lists/*; \
-    pecl install memcache-8.0; \
+    pecl install memcache-8.0 && docker-php-ext-enable memcache; \
     pecl install imagick && docker-php-ext-enable imagick; \
-    docker-php-ext-enable memcache; \
+    [ "${INSTALL_XDEBUG:-false}" = true ] && pecl install xdebug && docker-php-ext-enable xdebug; \
     docker-php-ext-configure intl; \
     docker-php-ext-install -j"$(nproc)" mysqli opcache zip intl gd
 

docker/app/php8.1/Dockerfile

@@ -2,16 +2,17 @@ FROM php:8.1.4-fpm
 
 ARG USER_ID
 ARG GROUP_ID
+ARG INSTALL_XDEBUG
 
 # Do all apt-get installs on one line so they are installed on the same layer
 RUN set -eux; \
     apt-get -y update; \
     apt-get -y install git less zip unzip zlib1g-dev libicu-dev g++ libpng-dev libzip-dev libmagickwand-dev --no-install-recommends; \
     apt-get clean && apt-get autoremove; \
     rm -rf /var/lib/apt/lists/*; \
-    pecl install memcache-8.0; \
+    pecl install memcache-8.0 && docker-php-ext-enable memcache; \
     pecl install imagick && docker-php-ext-enable imagick; \
-    docker-php-ext-enable memcache; \
+    [ "${INSTALL_XDEBUG:-false}" = true ] && pecl install xdebug && docker-php-ext-enable xdebug; \
     docker-php-ext-configure intl; \
     docker-php-ext-install -j"$(nproc)" mysqli opcache zip intl gd