services:
  build:
    build:
      context: .
      dockerfile: docker/Dockerfile
    working_dir: /project
    environment:
      - IDF_TARGET=esp32c6
    volumes:
      # Project source, bind-mounted.
      - .:/project
      # Build output and IDF Component Registry cache, kept in named
      # volumes so they survive across container runs without polluting
      # the bind-mounted source tree.
      - build-cache:/project/build
      - managed-components-cache:/project/managed_components
    tty: true
    # USB access (for `idf.py flash`/`monitor`) is expected to be handled
    # via usbipd-win forwarding the board's serial port into WSL2. If
    # flashing needs to run inside this container rather than on the WSL2
    # host, uncomment and adjust once the forwarded device node is known:
    # devices:
    #   - "/dev/ttyUSB0:/dev/ttyUSB0"

volumes:
  build-cache:
  managed-components-cache: