pcbjam/docker/docker-compose.yml

services:
  kicad-wasm-builder:
    build:
      context: ..
      dockerfile: docker/Dockerfile
    # Container name is auto-generated with project prefix (set in build.sh)

    # Resource limits. Defaults are sized for a dev Mac (Docker Desktop VM).
    # CI overrides via env: the 32-core Hetzner runner sets KICAD_DOCKER_CPUS=$(nproc)
    # and KICAD_DOCKER_MEM=110G — with the 10-CPU default, run 27226030304 compiled
    # everything on 10 of 32 cores while passing -j 32 (3x oversubscribed).
    deploy:
      resources:
        limits:
          cpus: '${KICAD_DOCKER_CPUS:-10}'
          memory: ${KICAD_DOCKER_MEM:-32G}

    volumes:
      # Host source mounted read-only at staging location
      # (rsync'd to /workspace on container start to fix macOS timestamp issues)
      - ..:/workspace-host:ro
      # Synced source in Docker volume (consistent timestamps)
      - workspace-src:/workspace
      # Named volume for build cache (faster than bind mount on macOS)
      - kicad-build-cache:/workspace/build-wasm
      # Output directory for easy access to final WASM files
      - ../output:/workspace/output

    # Keep container running for interactive use
    stdin_open: true
    tty: true

volumes:
  kicad-build-cache:
  workspace-src: