Adds Dockerfile & GH Actions workflow to publish MCP image

Author: cr2007

.github/workflows/publish-image.yml

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+name: Publish to Github Container Registry
+
+on: [push]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  publish-docker-image:
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Convert Repository name to lower case
+        id: lowercase
+        run: echo "REPO=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
+      - name: Build the MCP Docker Image
+        run: docker build . --tag ghcr.io/${{ env.REPO }}
+
+      - name: Run the container
+        run: docker run ghcr.io/${{ env.REPO }}:latest
+
+      - name: Publish to GitHub Container Registry
+        if: success()
+        run: docker push ghcr.io/${{ env.REPO }}:latest

Dockerfile

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+# Taken reference from the following Dockerfile examples:
+#  * UV Docker Example - https://github.com/astral-sh/uv-docker-example/blob/main/multistage.Dockerfile
+#  * SQLite MCP Server Dockerfile - https://github.com/modelcontextprotocol/servers/blob/main/src/sqlite/Dockerfile
+
+FROM ghcr.io/astral-sh/uv:0.7-python3.10-bookworm-slim AS builder
+
+# Enable bytecode compilation
+ENV UV_COMPILE_BYTECODE=1 \
+    UV_LINK_MODE=copy \
+    DIRECTORY=mcp_wordle
+
+# Disable Python downloads, because we want to use the system interpreter
+# across both images.
+ENV UV_PYTHON_DOWNLOADS=0
+
+WORKDIR /app
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+--mount=type=bind,source=uv.lock,target=uv.lock \
+--mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+--mount=type=bind,source=.python-version,target=.python-version \
+uv sync --frozen --no-install-project --no-dev --no-editable
+
+COPY uv.lock /app
+COPY pyproject.toml /app
+COPY README.md /app
+COPY .python-version /app
+ADD ./src/${DIRECTORY} /app/${DIRECTORY}
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+uv sync --locked --no-dev
+
+# Then, use a final image without uv
+FROM python:3.10-slim-bookworm
+
+WORKDIR /app
+
+# Copy the application from the builder
+COPY --from=builder --chown=app:app /app /app
+
+# Place executables in the environment at the front of the path
+ENV PATH="/app/.venv/bin:$PATH"
+ENV PYTHONPATH=/app
+
+# Comes from 'pyproject.toml'
+ENTRYPOINT ["mcp-wordle"]