build and publish images migration

.github/actions/build-push-image/action.yml

@@ -0,0 +1,47 @@
+name: 'build and push image'
+inputs:
+  dockerfile:
+    description: "dockerfile to build"
+    required: true
+  image-name:
+    description: ""
+    required: true
+outputs:
+  branch:
+    description: 'Branch name for the PR'
+    value: ${{ steps.branch.outputs.branch }}
+
+
+runs:
+  using: "composite"
+  steps:
+
+    # gcloud
+    # https://github.com/paritytech/ci_cd/wiki/GitHub:-Push-Docker-image-to-GCP-Registry
+    - name: "Set up Cloud SDK"
+      uses: "google-github-actions/setup-gcloud@v2"
+    - name: "gcloud info"
+      shell: bash
+      run: "gcloud info"
+    - name: "Auth in gcloud registry"
+      shell: bash
+      run: "gcloud auth configure-docker europe-docker.pkg.dev --quiet"  
+
+    - name: build
+      shell: bash
+      env:
+        ZOMBIENET_IMAGE: "docker.io/paritytech/zombienet:v1.3.105"
+      run: |
+        export BRANCH_NAME=${{ github.head_ref || github.ref_name }}
+        export DOCKER_IMAGES_VERSION=${BRANCH_NAME/\//-}
+        if [[ ${{ github.event_name }} == "merge_group" ]]; then export DOCKER_IMAGES_VERSION="${GITHUB_SHA::8}"; fi
+        docker build \
+          --build-arg VCS_REF="${GITHUB_SHA}" \
+          --build-arg BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')" \
+          --build-arg IMAGE_NAME="${{ inputs.image-name }}" \
+          --build-arg ZOMBIENET_IMAGE="${ZOMBIENET_IMAGE}" \
+          -t "${{ inputs.image-name }}:$DOCKER_IMAGES_VERSION" \
+          -f ${{ inputs.dockerfile }} \
+          .
+        docker push "${{ inputs.image-name }}:$DOCKER_IMAGES_VERSION"
+