docker-compose.yml

services:
  db:
    image: postgres:18
    container_name: library-db
    restart: unless-stopped
    environment:
      POSTGRES_DB: ${LIBRARY_DB_NAME:-library}
      POSTGRES_USER: ${LIBRARY_DB_USER:-postgres}
      POSTGRES_PASSWORD: ${LIBRARY_DB_PASSWORD:-admin1}
      PGDATA: /var/lib/postgresql/data
    volumes:
      # Runs once, only when the data directory is empty, and seeds the
      # schema + demo data (functions, views, tables) from the dump.
      - ./data/library.sql:/docker-entrypoint-initdb.d/library.sql:ro
      # Named volume so data survives `docker compose restart`; remove
      # with `docker compose down -v` to start from a clean database.
      - library-db-data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${LIBRARY_DB_USER:-postgres} -d ${LIBRARY_DB_NAME:-library}"]
      interval: 5s
      timeout: 5s
      retries: 10
    ports:
      # Optional: exposes Postgres on the host too, handy for connecting
      # with a local psql/DBeaver/etc. while testing. Remove if not needed.
      - "5432:5432"

  app:
    build:
      context: .
      dockerfile: Dockerfile
    image: library-console:latest
    container_name: library-console
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy
    environment:
      LIBRARY_DB_URL: jdbc:postgresql://db:5432/${LIBRARY_DB_NAME:-library}
      LIBRARY_DB_USER: ${LIBRARY_DB_USER:-postgres}
      LIBRARY_DB_PASSWORD: ${LIBRARY_DB_PASSWORD:-admin1}
    ports:
      # noVNC — open http://localhost:6080/vnc.html in a browser to use the app.
      - "6080:6080"
      # Raw VNC, for connecting with a native VNC client instead of a browser.
      - "5900:5900"

volumes:
  library-db-data: