version: '3.8'

services:
  openwrt-build:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: openwrt-build
#    image: openwrt-build:latest
    user: "1000:1000"
    tty: true
    stdin_open: true
    command: bash /home/builduser/build.sh
    volumes:
      # Firmware outputs mapped directly to host filesystem
      - ./bin:/home/builduser/openwrt/bin
      # Source tarballs cached on host to avoid re-downloading across builds
      - ./dl:/home/builduser/openwrt/dl
      # Persistent build configuration file (.config)
      - ./.config:/home/builduser/openwrt/.config
      # build script
      - ./build.sh:/home/builduser/build.sh
      # Named volumes for heavy build artifacts (maximizes I/O performance)
      - openwrt-build-dir:/home/builduser/openwrt/build_dir
      - openwrt-staging-dir:/home/builduser/openwrt/staging_dir
      - openwrt-ccache:/home/builduser/.ccache

volumes:
  openwrt-build-dir:
  openwrt-staging-dir:
  openwrt-ccache: