services:
  # PostgreSQL Database
  db:
    image: postgres:15-alpine
    container_name: bookhoard_db
    environment:
      POSTGRES_DB: bookhoard
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${DBPASS}
      # PGPORT makes Postgres listen on DB_PORT (kept in sync with the host mapping + app's DATABASE_PORT)
      PGPORT: ${DB_PORT:-5432}
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./database/schema:/docker-entrypoint-initdb.d
    ports:
      - "127.0.0.1:${DB_PORT:-5432}:${DB_PORT:-5432}"
      - "[::1]:${DB_PORT:-5432}:${DB_PORT:-5432}"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 10s
    env_file:
      - .env

  # One-shot bootstrap: creates the bookhoard_srv runtime role and
  # transfers object ownership to it (RLS prerequisite). Idempotent —
  # safe on every startup; the app waits for its success. Passwords
  # accept inline values or .env, like the rest of this file.
  db-init:
    image: postgres:15-alpine
    container_name: bookhoard_db_init
    environment:
      POSTGRES_USER: postgres
      POSTGRES_DB: bookhoard
      PGHOST: db
      DBPASS: ${DBPASS}
      DBSRVPASS: ${DBSRVPASS}
    volumes:
      - ./database/schema/z_rls_role.sh:/z_rls_role.sh:ro
    command: bash /z_rls_role.sh
    depends_on:
      db:
        condition: service_healthy
    restart: "no"

  # Bookhoard Application
  # In production this image is pulled from the Gitea container registry.
  # Override IMAGE_TAG in .env to pin or rollback a specific version (defaults to "latest").
  app:
    image: git.linuxhg.com/bookhoard/bookhoard:${IMAGE_TAG:-latest}
    container_name: bookhoard
    restart: unless-stopped
    environment:
      # Database Configuration
      # Runtime role = bookhoard_srv (non-superuser OWNER, subject to RLS
      # via FORCE). POSTGRES_USER above is the bootstrap account ONLY —
      # the app must NEVER connect as it (superusers bypass RLS).
      DATABASE_HOST: db
      DATABASE_PORT: ${DB_PORT:-5432}
      DATABASE_USER: bookhoard_srv
      DATABASE_PASSWORD: ${DBSRVPASS}
      DATABASE_NAME: bookhoard

      # Application Configuration
      JWT_SECRET: ${JWT_SECRET}
      SERVER_PORT: ${SERVER_PORT:-8765}
      # IMPORTANT: Device sync requires full URL with protocol
      # Local: http://localhost:8765
      # Local network: http://192.168.1.X:8765
      # Domain: https://bookhoard.example.com
      BASE_URL: ${BASE_URL:-http://localhost:8765}
      # Mark session cookies Secure; set true behind a TLS-terminating reverse proxy (Caddy/nginx/traefik)
      COOKIE_SECURE: ${COOKIE_SECURE:-false}

      # Rate Limiting Configuration
      TEST_MODE: ${TEST_MODE:-false}
      RATE_LIMIT_ENABLED: ${RATE_LIMIT_ENABLED:-true}
      REQUESTS_PER_MINUTE: ${REQUESTS_PER_MINUTE:-10}

      # Conversion Service Configuration
      BOOKHOARD_CONVERSION_CACHE_DIR: ${BOOKHOARD_CONVERSION_CACHE_DIR:-/app/cache/kepub}
      BOOKHOARD_CONVERSION_TOOL: ${BOOKHOARD_CONVERSION_TOOL:-/usr/bin/kepubify}
      BOOKHOARD_CONVERSION_CACHE_TTL: ${BOOKHOARD_CONVERSION_CACHE_TTL:-24h}

      # Library Maintenance
      # Days an archived item (file missing from disk for 2+ scans) is kept,
      # with its reading history, before library scans purge it for good.
      # Set 0 to keep archived items until purged manually on the library admin page.
      ARCHIVE_RETENTION_DAYS: ${ARCHIVE_RETENTION_DAYS:-90}

      # System timezone (fallback for server-side time operations)
      TZ: ${TZ:-UTC}
    ports:
      - "${SERVER_PORT:-8765}:${SERVER_PORT:-8765}"
    depends_on:
      db:
        condition: service_healthy
      db-init:
        condition: service_completed_successfully
    volumes:
      - ./uploads:/app/uploads
      - bookhoard_conversion_cache:/app/cache/kepub
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:${SERVER_PORT:-8765}/health || exit 1"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 10s

# Named Volumes
volumes:
  postgres_data:
  bookhoard_conversion_cache: