docker-compose.yml

# SysON + PostgreSQL for @casys/mcp-syson
#
# Brings up a local SysON instance this MCP server can talk to:
#   docker compose up -d
#   export SYSON_URL=http://localhost:8180
#   deno task serve
#
# SysON UI: http://localhost:8180
# GraphQL endpoint (what the MCP server calls): http://localhost:8180/api/graphql
#
# Differences from the upstream eclipse-syson compose file:
#   - Port mapped to 8180 to avoid colliding with the many services that
#     default to 8080, and bound to loopback rather than every interface.
#   - Named volume for the database. Upstream has none, so every
#     `docker compose down` silently discards all models.
#   - Healthcheck on the database so `depends_on` actually waits for a
#     database that accepts connections instead of one that merely started.
#   - Elasticsearch is an experimental, opt-in SysON integration. It is not
#     part of this topology, so its auto-configured health indicator is
#     explicitly disabled instead of making the application report DOWN.

services:
  database:
    # Keep local PostgreSQL native on Apple Silicon while remaining immutable.
    # The qualification overlay instead pins the reviewed linux/amd64 manifest.
    image: "postgres@sha256:9b1d34adbce1dd07ee6e94b4a2cf698884b89bd44a6c9c12f5da8f3acbfe4957"
    environment:
      POSTGRES_DB: syson
      POSTGRES_USER: syson
      POSTGRES_PASSWORD: syson
    volumes:
      - syson-db-data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U syson -d syson"]
      interval: 5s
      timeout: 5s
      retries: 10
    networks:
      - syson

  app:
    image: "${SYSON_IMAGE:-eclipsesyson/syson@sha256:c1f457ed236757f717ea1c9f79f0c950be8d79db89f3f265a81a7310200bb690}"
    # SysON does not publish an arm64 image; Docker Desktop/Colima emulates it
    # on Apple Silicon instead of failing image resolution.
    platform: linux/amd64
    ports:
      - "127.0.0.1:8180:8080"
    environment:
      SPRING_DATASOURCE_URL: jdbc:postgresql://database/syson
      SPRING_DATASOURCE_USERNAME: syson
      SPRING_DATASOURCE_PASSWORD: syson
      SIRIUS_COMPONENTS_CORS_ALLOWEDORIGINPATTERNS: "*"
      SERVER_PORT: 8080
      MANAGEMENT_HEALTH_ELASTICSEARCH_ENABLED: "false"
    depends_on:
      database:
        condition: service_healthy
    healthcheck:
      test: [
        "CMD",
        "wget",
        "-q",
        "--spider",
        "http://localhost:8080/actuator/health",
      ]
      interval: 10s
      timeout: 5s
      retries: 20
      # SysON loads its standard libraries at boot; under amd64 emulation this
      # took 217 seconds in the integration check.
      start_period: 240s
    networks:
      - syson

networks:
  syson:

volumes:
  syson-db-data: