services:
  postgres:
    image: postgres:18-alpine
    environment:
      POSTGRES_DB: scopa
      POSTGRES_USER: scopa
      POSTGRES_PASSWORD: scopa
    ports:
      - "5432:5432"
    volumes:
      - pgdata:/var/lib/postgresql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U scopa"]
      interval: 5s
      timeout: 3s
      retries: 10

  # Mock OIDC provider (navikt/mock-oauth2-server). Zero manual setup:
  # interactive login accepts any username (no password). Pre-configured
  # players: alice, bob, carol, dave; any other username works too.
  # The mock does not validate clients, so any client id/secret works.
  #
  # It listens on 8180 both inside and outside the network so the OIDC
  # issuer URL (http://mockoauth:8180/scopa) is identical for
  # container-to-container calls and for browser redirects (via the
  # /etc/hosts entry documented in the README).
  mockoauth:
    # Derived image baking dev/mockoauth/config.json in (see
    # dev/mockoauth/Dockerfile) — a bind mount would not work against
    # containerized docker daemons.
    build: ./server/dev/mockoauth
    environment:
      SERVER_PORT: "8180"
      LOG_LEVEL: INFO
    ports:
      - "8180:8180"

  # The JRE image has no usable healthcheck tooling; gate the app on the
  # discovery endpoint being served instead.
  mockoauth-init:
    image: curlimages/curl
    depends_on:
      - mockoauth
    entrypoint: >
      /bin/sh -c "
      until curl -sf http://mockoauth:8180/scopa/.well-known/openid-configuration > /dev/null; do
        echo 'waiting for mockoauth...'; sleep 2;
      done
      "

  # Sessions + live game state. No volume: sessions are disposable (worst
  # case, users log in again) and games in progress have a TTL.
  redis:
    image: redis:8-alpine
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 10

  # One-shot: applies pending aerich migrations before the app starts
  # (build cache makes the second build of the same Dockerfile instant).
  db-migrate:
    build:
      context: .
      dockerfile: server/Dockerfile
    # aerich reads [tool.aerich] from /app/pyproject.toml (default config
    # file) and finds migrations in ./migrations relative to working_dir.
    working_dir: /app
    command: ["aerich", "upgrade"]
    environment:
      DATABASE_URL: postgres://scopa:scopa@postgres:5432/scopa
    depends_on:
      postgres:
        condition: service_healthy

  scopa:
    build:
      context: .
      dockerfile: server/Dockerfile
    depends_on:
      postgres:
        condition: service_healthy
      db-migrate:
        condition: service_completed_successfully
      mockoauth-init:
        condition: service_completed_successfully
      redis:
        condition: service_healthy
    environment:
      DATABASE_URL: postgres://scopa:scopa@postgres:5432/scopa
      # By default the app and browsers reach the mock IdP under the same
      # name (see README /etc/hosts note); override OIDC_ISSUER and
      # OIDC_REDIRECT_URI to use a real provider or a different host port.
      OIDC_ISSUER: ${OIDC_ISSUER:-http://mockoauth:8180/scopa}
      # The mock OIDC server does not validate clients: any id/secret works.
      OIDC_CLIENT_ID: scopa
      OIDC_CLIENT_SECRET: ${OIDC_CLIENT_SECRET:-dev-secret}
      OIDC_REDIRECT_URI: ${OIDC_REDIRECT_URI:-http://localhost:8080/auth/callback}
      REDIS_URL: redis://redis:6379/0
    ports:
      - "127.0.0.1:${APP_PORT:-8080}:8080"

volumes:
  pgdata: