Create container packaging pipeline

.github/workflows/pull_requests.yml

@@ -1,36 +1,30 @@
 name: CI actions
 on: [pull_request]
 jobs:
-  install:
-    name: Install
+  ci:
+    name: Run CI validation 
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: ./.github/actions/setup
-        name: Setup
+
+      - name: Install Poetry
+        run: pipx install poetry==1.6.1
+        shell: bash
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+          cache: "poetry"
+
       - name: Install dependencies
         run: poetry install
-  lint:
-    needs: [install]
-    name: Lint
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: ./.github/actions/setup
-        name: Setup
+
+      - name: Lint with flake8
+        run: poetry run flake8 . --count --statistics --show-source
+
       - name: Check formatting with Black
         run: poetry run black --check --diff .
+
       - name: Check imports with isort
         run: poetry run isort --check --diff .
-      - name: Lint with flake8
-        run: poetry run flake8 . --count --statistics --show-source
-  test:
-    needs: [install]
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Setup
-        uses: ./.github/actions/setup
-      - name: Dummy test script
-        run: echo "OK"

.github/workflows/release.yml

@@ -0,0 +1,45 @@
+name: Create and publish a Docker image
+
+on:
+  release:
+    types: [published]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: log in to the container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}