feat: Add automated docker image build and push

.github/workflows/docker-image.yml

@@ -0,0 +1,30 @@
+name: Docker Image CD
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ "main" ]
+
+env:
+  DOCKER_IMAGE: alexdev28/clean-architecture
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+#          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ env.DOCKER_IMAGE }}:latest