# Service deployment for the WAGO Modbus TCP simulator.
#
#   docker compose up -d          # start
#   docker compose logs -f wago-sim
#   docker compose down           # graceful stop (SIGTERM -> clean shutdown)
#
# Node configuration: mount ./config and ./scenarios read-only and point
# WAGO_SIM_NODE at the desired node file. Host port 5020 by default —
# change to 502 if the bench master expects it and your host allows it.

services:
  wago-sim:
    build: .
    image: wago-sim:latest
    container_name: wago-sim
    restart: unless-stopped
    ports:
      - "5020:502"          # host:container — WAGO_SIM_PORT sets the inner port
    environment:
      WAGO_SIM_NODE: config/pump_node.yaml
      WAGO_SIM_HOST: 0.0.0.0
      WAGO_SIM_PORT: "502"
      # Uncomment to trace every Modbus transaction in plain text:
      # WAGO_SIM_VERBOSE: "1"
    volumes:
      - ./config:/app/config:ro
      - ./scenarios:/app/scenarios:ro
      - ./plugins:/app/plugins:ro
      # Report output for headless `run` invocations (spec §8 soak reports):
      - ./out:/app/out
    # Deterministic sim is CPU-light; keep 1 CPU for a stable FAT bench
    deploy:
      resources:
        limits:
          cpus: "1.0"
          memory: 256M
    healthcheck:
      test: ["CMD", "python", "-c",
             "import socket,os;socket.create_connection(('127.0.0.1',int(os.environ['WAGO_SIM_PORT'])),timeout=3).close()"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 5s
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "3"