ci(release): publish to PyPI and GHCR on tag (#48)

* ci(release): publish to PyPI and GHCR on tag

* ci(release): guard PyPI when no PYPI_API_TOKEN

Author: CoderDeltaLAN

.github/workflows/release.yml

@@ -0,0 +1,44 @@
+name: release
+on:
+  push:
+    tags: ['v*']
+permissions:
+  contents: write
+  packages: write
+jobs:
+  build-publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with: { python-version: '3.12' }
+      - name: Build
+        run: |
+          python -m pip install -U pip build
+          python -m build
+      - uses: actions/upload-artifact@v4
+        with: { name: dist, path: dist/* }
+      - name: Publish to PyPI
+        if: startsWith(github.ref, 'refs/tags/v') && secrets.PYPI_API_TOKEN != ''
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}
+  publish-ghcr:
+    needs: build-publish
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/${{ github.repository }}:latest,ghcr.io/${{ github.repository }}:${{ github.ref_name }}

Dockerfile

@@ -0,0 +1,5 @@
+FROM python:3.12-slim
+WORKDIR /app
+COPY . /app
+RUN pip install --no-cache-dir .
+ENTRYPOINT ["python","-m","diff_risk_dashboard"]