modbusim/docker-compose.yml at main · pyfunc/modbusim · GitHub

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version: '3.8'

services:
  modbusim:
    build: .
    env_file:
      - .env.docker
    ports:
      - "5020:5020"
    volumes:
      - .:/app
      # Map the host's serial device to the container (only for RTU mode)
      - /dev/ttyACM0:/dev/ttyACM0
    devices:
      - "/dev/ttyACM0:/dev/ttyACM0"
    environment:
      - PYTHONUNBUFFERED=1
      - MODBUS_MODE=${MODBUS_MODE:-rtu}
      - MODBUS_PORT=${MODBUS_PORT:-/dev/ttyACM0}
      - MODBUS_BAUDRATE=${MODBUS_BAUDRATE:-9600}
      - MODBUS_TIMEOUT=${MODBUS_TIMEOUT:-1.0}
      - MODBUS_STOPBITS=${MODBUS_STOPBITS:-1}
      - MODBUS_BYTESIZE=${MODBUS_BYTESIZE:-8}
      - MODBUS_PARITY=${MODBUS_PARITY:-N}
      - MODBUS_HOST=${MODBUS_HOST:-0.0.0.0}
      - MODBUS_TCP_PORT=${MODBUS_TCP_PORT:-5020}
    command: >
      sh -c "if [ \"$${MODBUS_MODE}\" = \"rtu\" ]; then
                poetry run modbusim rtu \
                --port $${MODBUS_PORT} \
                --baudrate $${MODBUS_BAUDRATE} \
                --timeout $${MODBUS_TIMEOUT} \
                --stopbits $${MODBUS_STOPBITS} \
                --bytesize $${MODBUS_BYTESIZE} \
                --parity $${MODBUS_PARITY}
              else
                poetry run modbusim tcp \
                --host $${MODBUS_HOST} \
                --port $${MODBUS_TCP_PORT}
              fi"
    healthcheck:
      test: ["CMD", "/healthcheck.sh"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 5s
    privileged: true  # Required for accessing serial devices
    restart: unless-stopped