docker-compose.yml

# One PORT_PREFIX knob (default 30) drives every port and resource name so two
# fully isolated copies can run side by side — e.g. PORT_PREFIX=41 docker compose up.
# docker compose auto-reads PORT_PREFIX from the repo-root .env.
name: walnut-${PORT_PREFIX:-30}

services:
  postgres:
    image: postgres:17-alpine
    container_name: walnut-postgres-${PORT_PREFIX:-30}
    restart: unless-stopped
    environment:
      POSTGRES_USER: walnut
      POSTGRES_PASSWORD: walnut
      POSTGRES_DB: walnut
    ports:
      # host:container — platform metadata DB exposed on <prefix>02 (default 3002)
      - "${PORT_PREFIX:-30}02:5432"
    volumes:
      - walnut-pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U walnut -d walnut"]
      interval: 5s
      timeout: 5s
      retries: 10

  # MinIO — the local, S3-compatible object store backing per-branch storage. Prod uses a
  # remote S3-compatible store (R2, Railway Buckets, …); all speak S3, so the same blob code
  # path runs here. The bucket is
  # created in-process by the blob provider's ensureBucket() on API/test startup, so no
  # init container is needed. S3 API on <prefix>03, web console on <prefix>04.
  minio:
    image: minio/minio:latest
    container_name: walnut-minio-${PORT_PREFIX:-30}
    restart: unless-stopped
    environment:
      MINIO_ROOT_USER: walnut
      MINIO_ROOT_PASSWORD: walnutminio
    command: server /data --console-address ":9001"
    ports:
      # host:container — S3 API on <prefix>03 (default 3003), console on <prefix>04 (3004)
      - "${PORT_PREFIX:-30}03:9000"
      - "${PORT_PREFIX:-30}04:9001"
    volumes:
      - walnut-miniodata:/data
    healthcheck:
      test: ["CMD-SHELL", "mc ready local 2>/dev/null || exit 1"]
      interval: 5s
      timeout: 5s
      retries: 10

volumes:
  walnut-pgdata:
    name: walnut-pgdata-${PORT_PREFIX:-30}
  walnut-miniodata:
    name: walnut-miniodata-${PORT_PREFIX:-30}