# Runs upaas. Put settings in .env next to this file; see "Deploying with
# Docker Compose" in README.md.
services:
  upaas:
    build: .
    restart: unless-stopped
    # Every line of .env is passed to upaas as an environment variable.
    env_file: .env
    environment:
      # Overrides any PORT in .env, so upaas listens where the port mapping
      # and healthcheck below expect it.
      PORT: "8080"
      # Overrides any UPAAS_DATA_DIR in .env, so the database stays on the
      # HOST_DATA_DIR mount below instead of inside the container.
      UPAAS_DATA_DIR: /var/lib/upaas
      # The Docker daemon resolves app bind mounts on the host, so upaas must
      # know the host path of its data directory.
      UPAAS_HOST_DATA_DIR: ${HOST_DATA_DIR:?set HOST_DATA_DIR in .env to an absolute host path}
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - ${HOST_DATA_DIR:?set HOST_DATA_DIR in .env to an absolute host path}:/var/lib/upaas
    # Loopback only, for a TLS-terminating reverse proxy in front. Leave
    # UPAAS_PLAINTEXT_HTTP unset behind that proxy.
    ports:
      - "127.0.0.1:8080:8080"
    healthcheck:
      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1:8080/health"]
      interval: 30s
      timeout: 5s
      retries: 3