ci: add docker build and push

.github/workflows/build.yml

@@ -53,3 +53,25 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/')
         with:
           body: ${{ steps.git-cliff.outputs.content }}
+
+  build-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and Push image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64
+          tags: ${{ vars.LATEST_IMAGE }}