YAMLdocker-compose.yml
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services:
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  api:
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    build:
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      context: .
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      dockerfile: Dockerfile
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      target: runtime
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    ports:
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      - "8080:8080"
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    environment:
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      DATABASE_URL: postgresql://app:secret@postgres:5432/appdb
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      REDIS_URL: redis://redis:6379/0
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    env_file:
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      - .env.local
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    depends_on:
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      postgres:
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        condition: service_healthy
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      redis:
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        condition: service_healthy
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    volumes:
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      - ./src:/app/src:ro  # Hot-reload in dev; remove in prod
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    restart: unless-stopped
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    networks:
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      - backend
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  postgres:
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    image: postgres:16-alpine
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    environment:
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      POSTGRES_DB: appdb
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      POSTGRES_USER: app
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      POSTGRES_PASSWORD: secret
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    volumes:
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      - postgres_data:/var/lib/postgresql/data
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      - ./db/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
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    healthcheck:
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      test: ["CMD-SHELL", "pg_isready -U app -d appdb"]
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      interval: 10s
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      timeout: 5s
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      retries: 5
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      start_period: 30s
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    networks:
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      - backend
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  redis:
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    image: redis:7-alpine
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    command: redis-server --requirepass secret --maxmemory 256mb --maxmemory-policy allkeys-lru
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    volumes:
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      - redis_data:/data
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    healthcheck:
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      test: ["CMD", "redis-cli", "--pass", "secret", "ping"]
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      interval: 10s
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      timeout: 5s
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      retries: 5
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    networks:
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      - backend
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  # Dev-only service
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  pgadmin:
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    image: dpage/pgadmin4:latest
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    profiles: ["dev"]
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    environment:
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      PGADMIN_DEFAULT_EMAIL: admin@local.dev
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      PGADMIN_DEFAULT_PASSWORD: admin
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    ports:
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      - "5050:80"
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    depends_on:
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      - postgres
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    networks:
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      - backend
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volumes:
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  postgres_data:
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  redis_data:
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networks:
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  backend:
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    driver: bridge
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