testing the docker build

.github/workflows/docker-build.yml

@@ -0,0 +1,40 @@
+name: docker-build
+
+on:
+  pull_request:
+    branches: [ "master" ]
+    types: [ labeled ]
+
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: denislav-mladenov/go-ethereum
+
+jobs:
+  build-and-push:
+    if: ${{ github.event.label.name == 'CI:Build' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Login to registry
+      uses: docker/login-action@v2
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Build docker image
+      uses: docker/build-push-action@v5
+      with:
+        push: true
+        tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest