add Dockerfile and build workflow

Author: garyGoDev

.github/workflows/docker-build.yml

@@ -0,0 +1,32 @@
+---
+# Standard Docker build and push workflow
+# https://github.com/marketplace/actions/build-and-push-docker-images
+
+name: docker-build
+
+env:
+  IMAGE_NAME: "drupal-postgres"
+
+on:
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: "${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ github.run_number }}"

Dockerfile

@@ -0,0 +1,44 @@
+# Start from the original Drupal image
+FROM drupal:10.2.6-php8.2-apache-bookworm
+# Set working directory to root of drupal project set in base image
+WORKDIR /opt/drupal
+# Install drush and any additional Drupal extensions using Composer
+# drush https://www.drupal.org/docs/develop/development-tools/drush
+RUN composer require 'drush/drush'
+# Add volumes for the Drupal installation and files directories
+VOLUME ["/var/www/html/modules", "/var/www/html/profiles", "/var/www/html/themes", "/var/www/html/sites"]
+# Enable output buffering in PHP
+RUN cp /usr/local/etc/php/php.ini-production /usr/local/etc/php/php.ini \
+    && echo "output_buffering = On" >> /usr/local/etc/php/php.ini
+# Install the APCu extension
+RUN pecl install apcu \
+    && docker-php-ext-enable apcu
+# Configure APCu
+RUN echo "apc.enabled=1" >> /usr/local/etc/php/php.ini \
+    && echo "apc.shm_size=256M" >> /usr/local/etc/php/php.ini \
+    && echo "apc.ttl=7200" >> /usr/local/etc/php/php.ini \
+    && echo "apc.enable_cli=0" >> /usr/local/etc/php/php.ini
+# Copy default.settings.php to settings.php
+RUN cp /var/www/html/sites/default/default.settings.php /var/www/html/sites/default/settings.php
+# Append database configuration to settings.php
+# Append hash salt to settings.php
+# Append configuration sync directory to settings.php
+RUN echo "\$databases['default']['default'] = array (" >> /var/www/html/sites/default/settings.php && \
+    echo "  'database' => getenv('POSTGRES_DB')," >> /var/www/html/sites/default/settings.php && \
+    echo "  'username' => getenv('POSTGRES_USER')," >> /var/www/html/sites/default/settings.php && \
+    echo "  'password' => getenv('POSTGRES_PASSWORD')," >> /var/www/html/sites/default/settings.php && \
+    echo "  'prefix' => ''," >> /var/www/html/sites/default/settings.php && \
+    echo "  'host' => getenv('POSTGRES_HOST')," >> /var/www/html/sites/default/settings.php && \
+    echo "  'port' => '5432'," >> /var/www/html/sites/default/settings.php && \
+    echo "  'driver' => 'pgsql'," >> /var/www/html/sites/default/settings.php && \
+    echo "  'namespace' => 'Drupal\\\\\\\\pgsql\\\\\\\\Driver\\\\\\\\Database\\\\\\\\pgsql'," >> /var/www/html/sites/default/settings.php && \
+    echo "  'autoload' => 'core/modules/pgsql/src/Driver/Database/pgsql/'," >> /var/www/html/sites/default/settings.php && \
+    echo ");" >> /var/www/html/sites/default/settings.php && \
+    echo "\$settings['hash_salt'] = getenv('DRUPAL_HASH_SALT');" >> /var/www/html/sites/default/settings.php && \
+    echo "\$config_directories['sync'] = getenv('DRUPAL_CONFIG_SYNC_DIRECTORY');" >> /var/www/html/sites/default/settings.php
+# Set file permissions
+RUN chown -R www-data:www-data /var/www/html/sites/default/settings.php && \
+    chmod 644 /var/www/html/sites/default/settings.php
+# Docs
+LABEL description="Single Dockerfile build of Drupal with drush and defaulted settings including Postgres"
+LABEL version="1.0"