Initial Base

docker-compose.yml

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+## Docker Compose stack for Symfony app
+## - php: PHP-FPM container that runs Symfony and Composer
+## - nginx: Frontend web server proxying PHP to php-fpm
+## - db: Postgres database for Doctrine
+## - pgadmin: Optional UI to inspect the database
+services:
+  php:
+    # Build multi-stage image defined in docker/php/Dockerfile
+    build:
+      context: .
+      dockerfile: docker/php/Dockerfile
+      target: dev # change to "prod" for production build
+      args:
+        - APP_ENV=dev
+    container_name: app-php
+    restart: unless-stopped
+    environment:
+      # App base URL (used by some tools)
+      DEFAULT_URI: ${DEFAULT_URI:-http://localhost:8000}
+      APP_ENV: ${APP_ENV:-dev}
+      APP_SECRET: ${APP_SECRET:-change_me}
+      # Doctrine DATABASE_URL consumed by Symfony/Doctrine
+      DATABASE_URL: ${DATABASE_URL:-postgresql://${POSTGRES_USER:-symfony}:${POSTGRES_PASSWORD:-symfony}@db:5432/${POSTGRES_DB:-symfony}?serverVersion=16&charset=utf8}
+    volumes:
+      # Mount only source and config; vendors are installed in-container
+      - ./bin:/var/www/html/bin
+      - ./config:/var/www/html/config
+      - ./migrations:/var/www/html/migrations
+      - ./public:/var/www/html/public
+      - ./src:/var/www/html/src
+      - ./var:/var/www/html/var
+      # Keep composer manifests on host for version control
+      - ./composer.json:/var/www/html/composer.json
+      - ./composer.lock:/var/www/html/composer.lock
+      - ./symfony.lock:/var/www/html/symfony.lock
+      # Speed up composer installs by caching download artifacts
+      - composer_cache:/tmp/composer
+    healthcheck:
+      test: ["CMD-SHELL", "php -v || exit 1"]
+      interval: 10s
+      timeout: 3s
+      retries: 5
+    depends_on:
+      - db
+  nginx:
+    image: nginx:alpine
+    container_name: nginx
+    ports:
+      - "8000:80"
+    volumes:
+      # Serve built assets and front controller from Symfony public dir
+      - ./public:/var/www/html/public
+      # Custom vhost with PHP FastCGI proxy
+      - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf
+    depends_on:
+      - php
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:80/healthz"]
+      interval: 10s
+      timeout: 3s
+      retries: 5
+
+  db:
+    image: postgres:16-alpine
+    container_name: postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB:-symfony}
+      POSTGRES_USER: ${POSTGRES_USER:-symfony}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-symfony}
+    ports:
+      - 5432:5432
+    volumes:
+      - db_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-symfony} -d ${POSTGRES_DB:-symfony}"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+
+  pgadmin:
+    image: dpage/pgadmin4
+    container_name: pgadmin
+    environment:
+      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL:-admin@example.com}
+      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD:-password}
+    ports:
+      - "8081:80"
+    volumes:
+      - pgadmin_data:/var/lib/pgadmin
+    depends_on:
+      - db
+
+volumes:
+  db_data:
+  composer_cache:
+  pgadmin_data: