services:
  postgres:
    image: postgres:18-alpine
    restart: unless-stopped
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - POSTGRES_DB=${POSTGRES_DB}
    volumes:
      - postgres-data:/var/lib/postgresql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 20s
    expose:
      - "5432"

  pgadmin:
    image: dpage/pgadmin4:9.17
    restart: unless-stopped
    # pgpass must be 0600 and readable by the pgadmin user (uid 5050), so copy the
    # mounted file into the data volume before starting pgAdmin.
    entrypoint:
      - /bin/sh
      - -c
      - cp /pgadmin4/pgpass /var/lib/pgadmin/pgpass && chmod 600 /var/lib/pgadmin/pgpass && exec /entrypoint.sh
    environment:
      - PGADMIN_DEFAULT_EMAIL=${PGADMIN_DEFAULT_EMAIL}
      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_DEFAULT_PASSWORD}
      - PGADMIN_CONFIG_SERVER_MODE=False
      - PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED=False
      - PGADMIN_SERVER_JSON_FILE=/pgadmin4/servers.json
    volumes:
      - pgadmin-data:/var/lib/pgadmin
      - ../files/servers.json:/pgadmin4/servers.json:ro
      - ../files/pgpass:/pgadmin4/pgpass:ro
    depends_on:
      postgres:
        condition: service_healthy

volumes:
  postgres-data:
  pgadmin-data: