Create docker-image.yml

Automatically create and push an image to docker

.github/workflows/docker-image.yml

@@ -0,0 +1,32 @@
+name: Build and Push Docker Image on Release
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'   # Triggers only on semantic version tags like v2.2.2
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            kixote/typemill:${{ github.ref_name }}
+            kixote/typemill:latest