docker-compose.yml

services:
  # ---------------------------------------------------------------------------
  # Open Arena API
  # Build from source; persistent SQLite state in .open-arena/ volume.
  # Forward-looking DATABASE_URL wires to Postgres (WS1) when provided —
  # the app falls back to SQLite at .open-arena/api.db by default.
  # ---------------------------------------------------------------------------
  api:
    build:
      context: .
      dockerfile: Dockerfile
    image: open-arena:local
    restart: unless-stopped
    ports:
      - "8000:8000"
    env_file:
      - .env
    environment:
      # Override DATABASE_URL to point at the compose Postgres service.
      # Remove or override in .env if you want SQLite instead.
      DATABASE_URL: postgresql://arena:${POSTGRES_PASSWORD:-arena_dev}@postgres:5432/arena
    volumes:
      - open_arena_state:/app/.open-arena
    depends_on:
      postgres:
        condition: service_healthy
    healthcheck:
      test: ["CMD-SHELL", "python -c \"import urllib.request; urllib.request.urlopen('http://localhost:8000/healthz')\""]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 20s

  # ---------------------------------------------------------------------------
  # PostgreSQL 16 — persistent store (forward-looking for WS1)
  # The app uses SQLite by default; set DATABASE_URL in .env to activate this.
  # ---------------------------------------------------------------------------
  postgres:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER: arena
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-arena_dev}
      POSTGRES_DB: arena
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./db/postgres:/docker-entrypoint-initdb.d:ro
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U arena -d arena"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    ports:
      # Expose locally for debugging / migrations; remove in production
      - "5432:5432"

  # ---------------------------------------------------------------------------
  # MinIO — S3-compatible object storage
  # Only started when the `full` profile is activated:
  #   docker compose --profile full up
  # ---------------------------------------------------------------------------
  minio:
    image: minio/minio:latest
    profiles:
      - full
    restart: unless-stopped
    command: server /data --console-address ":9001"
    environment:
      MINIO_ROOT_USER: ${AWS_ACCESS_KEY_ID:-minioadmin}
      MINIO_ROOT_PASSWORD: ${AWS_SECRET_ACCESS_KEY:-minioadmin}
    volumes:
      - minio_data:/data
    ports:
      - "9000:9000"
      - "9001:9001"
    healthcheck:
      test: ["CMD-SHELL", "mc ready local || exit 1"]
      interval: 30s
      timeout: 20s
      retries: 3

  # ---------------------------------------------------------------------------
  # MLflow tracking server
  # Only started under the `full` profile.
  # ---------------------------------------------------------------------------
  mlflow:
    image: ghcr.io/mlflow/mlflow:v2.16.2
    profiles:
      - full
    restart: unless-stopped
    command: >
      mlflow server
        --host 0.0.0.0
        --port 5000
        --backend-store-uri postgresql://arena:${POSTGRES_PASSWORD:-arena_dev}@postgres:5432/mlflow
        --default-artifact-root s3://${S3_BUCKET:-mlflow-artifacts}
    environment:
      MLFLOW_S3_ENDPOINT_URL: ${S3_ENDPOINT:-http://minio:9000}
      AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID:-minioadmin}
      AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY:-minioadmin}
    ports:
      - "5000:5000"
    depends_on:
      postgres:
        condition: service_healthy

volumes:
  open_arena_state:
    driver: local
  postgres_data:
    driver: local
  minio_data:
    driver: local