ci: checkout code before creating tag

.github/workflows/alpha-release.yml

@@ -14,6 +14,9 @@ jobs:
       tag: ${{ steps.create_tag.outputs.tagname }}
 
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
       - name: Create Tag
         id: create_tag
         uses: butlerlogic/action-autotag@stable
@@ -31,6 +34,18 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Build and push images
         uses: docker/build-push-action@v4
         with: