CI: automatic build

.github/workflows/build-deploy.yml

@@ -0,0 +1,96 @@
+# Build a docker image and Python package. If on `dev`` branch or git tag:
+#  - Deploy Docker image to Docker Hub
+#  - Deploy Python package to PyPi
+name: Build and deploy
+
+on:
+  push:
+    branches: ["dev"]
+    tags: ["*"]
+  pull_request:
+    branches: ["dev"]
+
+# Cancel a currently running workflow from the same PR, branch or tag when a new workflow is triggered:
+# Taken from https://stackoverflow.com/a/72408109
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build_package:
+    name: Python package
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      # https://github.com/actions/setup-python
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+          cache: 'pip' # caching pip dependencies
+          # Manually set pyproject.toml as the file to use for dependencies
+          # Workaround while waiting for https://github.com/actions/setup-python/issues/529
+          cache-dependency-path: 'pyproject.toml'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e .[dev]
+      - name: Build Python package
+        run: python -m build
+
+      # Publish package only on Git tag
+      - name: Publish package
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          password: ${{ secrets.PYPI_API_TOKEN }}
+
+  build_image:
+    name: Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v2.4.1
+      # Login against a Docker registry (except on PR)
+      # https://github.com/docker/login-action
+      - name: Log into Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2.1.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4.3.0
+        with:
+          images: ${{ env.IMAGE_NAME }}
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v4.0.0
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/arm64/v8, linux/amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max