# TravelHub full stack on Docker. Drive it with docker.ps1 (which supplies the
# DB_* values from backend/.env), or run docker compose directly after exporting
# DB_USER / DB_PASSWORD / DB_NAME yourself.
#
#   PostgreSQL  internal only (data in the pgdata volume)
#   api         Go API            -> http://localhost:8080
#   web         Angular via nginx -> http://localhost:4200  (proxies /api to api)

services:
  postgres:
    image: postgres:17
    environment:
      POSTGRES_USER: ${DB_USER:-postgres}
      POSTGRES_PASSWORD: ${DB_PASSWORD:?set DB_PASSWORD (docker.ps1 reads it from backend/.env)}
      POSTGRES_DB: ${DB_NAME:-travelhub}
    volumes:
      - pgdata:/var/lib/postgresql/data
      # Migrations run once, on first creation of an empty data directory, in
      # order (001_init, 002_seed, 003_demo_bookings). The seed generates
      # flights relative to now(), so a fresh volume always has future-dated
      # inventory. `docker.ps1 reset` wipes the volume to re-seed.
      - ./backend/migrations:/docker-entrypoint-initdb.d:ro
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U ${DB_USER:-postgres} -d ${DB_NAME:-travelhub}']
      interval: 5s
      timeout: 5s
      retries: 12
    restart: unless-stopped

  api:
    build: ./backend
    environment:
      DB_HOST: postgres
      DB_PORT: '5432'
      DB_USER: ${DB_USER:-postgres}
      DB_PASSWORD: ${DB_PASSWORD}
      DB_NAME: ${DB_NAME:-travelhub}
      DB_SSLMODE: disable
      PORT: '8080'
      CORS_ORIGINS: http://localhost:4200
    depends_on:
      postgres:
        condition: service_healthy
    ports:
      - '8080:8080'
    restart: unless-stopped

  web:
    build: ./frontend
    depends_on:
      - api
    ports:
      - '4200:80'
    restart: unless-stopped

volumes:
  pgdata: