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feat: dockerfile
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‎.github/workflows/docker-build.yaml

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name: Create and publish Docker images with specific build args
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on:
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workflow_dispatch:
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push:
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branches:
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- main
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- dev
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tags:
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- v*
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env:
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REGISTRY: ghcr.io
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jobs:
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build-main-image:
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runs-on: ${{ matrix.platform == 'linux/arm64' && 'ubuntu-24.04-arm' || 'ubuntu-latest' }}
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permissions:
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contents: read
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packages: write
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strategy:
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fail-fast: false
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matrix:
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platform:
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- linux/amd64
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- linux/arm64
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steps:
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# GitHub Packages requires the entire repository name to be in lowercase
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# although the repository owner has a lowercase username, this prevents some people from running actions after forking
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- name: Set repository and image name to lowercase
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run: |
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echo "IMAGE_NAME=${IMAGE_NAME,,}" >>${GITHUB_ENV}
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echo "FULL_IMAGE_NAME=ghcr.io/${IMAGE_NAME,,}" >>${GITHUB_ENV}
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env:
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IMAGE_NAME: "${{ github.repository }}"
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- name: Prepare
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run: |
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platform=${{ matrix.platform }}
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echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Log in to the Container registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Extract metadata for Docker images (default latest tag)
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.FULL_IMAGE_NAME }}
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tags: |
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type=ref,event=branch
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type=ref,event=tag
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type=sha,prefix=git-
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type=semver,pattern={{version}}
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type=semver,pattern={{major}}.{{minor}}
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flavor: |
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latest=${{ github.ref == 'refs/heads/main' }}
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- name: Extract metadata for Docker cache
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id: cache-meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.FULL_IMAGE_NAME }}
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tags: |
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type=ref,event=branch
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${{ github.ref_type == 'tag' && 'type=raw,value=main' || '' }}
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flavor: |
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prefix=cache-${{ matrix.platform }}-
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latest=false
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- name: Build Docker image (latest)
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uses: docker/build-push-action@v5
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id: build
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with:
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context: .
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push: true
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platforms: ${{ matrix.platform }}
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labels: ${{ steps.meta.outputs.labels }}
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outputs: type=image,name=${{ env.FULL_IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
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cache-from: type=registry,ref=${{ steps.cache-meta.outputs.tags }}
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cache-to: type=registry,ref=${{ steps.cache-meta.outputs.tags }},mode=max
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build-args: |
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BUILD_HASH=${{ github.sha }}
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- name: Export digest
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run: |
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mkdir -p /tmp/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "/tmp/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@v4
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with:
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name: digests-main-${{ env.PLATFORM_PAIR }}
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path: /tmp/digests/*
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if-no-files-found: error
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retention-days: 1
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merge-main-images:
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runs-on: ubuntu-latest
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needs: [build-main-image]
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steps:
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# GitHub Packages requires the entire repository name to be in lowercase
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# although the repository owner has a lowercase username, this prevents some people from running actions after forking
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- name: Set repository and image name to lowercase
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run: |
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echo "IMAGE_NAME=${IMAGE_NAME,,}" >>${GITHUB_ENV}
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echo "FULL_IMAGE_NAME=ghcr.io/${IMAGE_NAME,,}" >>${GITHUB_ENV}
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env:
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IMAGE_NAME: "${{ github.repository }}"
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- name: Download digests
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uses: actions/download-artifact@v4
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with:
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pattern: digests-main-*
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path: /tmp/digests
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merge-multiple: true
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Log in to the Container registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Extract metadata for Docker images (default latest tag)
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.FULL_IMAGE_NAME }}
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tags: |
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type=ref,event=branch
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type=ref,event=tag
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type=sha,prefix=git-
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type=semver,pattern={{version}}
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type=semver,pattern={{major}}.{{minor}}
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flavor: |
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latest=${{ github.ref == 'refs/heads/main' }}
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- name: Create manifest list and push
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working-directory: /tmp/digests
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run: |
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docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
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$(printf '${{ env.FULL_IMAGE_NAME }}@sha256:%s ' *)
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- name: Inspect image
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run: |
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docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:${{ steps.meta.outputs.version }}

‎Dockerfile

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FROM python:3.12-slim-bookworm
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# Install uv (from official binary), nodejs, npm, and git
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COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
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RUN apt-get update && apt-get install -y --no-install-recommends \
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git \
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curl \
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ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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# Install Node.js and npm via NodeSource
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RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
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&& apt-get install -y nodejs \
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&& rm -rf /var/lib/apt/lists/*
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# Confirm npm and node versions (optional debugging info)
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RUN node -v && npm -v
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# Copy your mcpo source code (assuming in src/mcpo)
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COPY src/mcpo /app/mcpo
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COPY pyproject.toml /app/
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WORKDIR /app
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# Install mcpo via uv
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RUN uv venv \
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&& uv pip install . \
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&& rm -rf ~/.cache
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# Expose port (optional but common default)
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EXPOSE 8000
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# Entrypoint set for easy container invocation
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ENTRYPOINT ["mcpo"]
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# Default help CMD (can override at runtime)
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CMD ["--help"]

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