Added ghcr registry push

.github/workflows/linktoqr_ci_gh_registry.yml

@@ -0,0 +1,81 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Link-to-QR CI
+
+on:
+  push:
+    branches: [ "**" ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+
+  go_ci_job:
+    name: Go CI Job
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.19
+
+    - name: Go CI code Lint
+      uses: golangci/golangci-lint-action@v3
+
+    - name: Go CI code Unit Test
+      run: go test -v ./...
+
+    - name: Run Go Build
+      run: go build -v ./...
+
+    - name: Setup docker
+      uses: docker/setup-buildx-action@v2.7.0
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@v4.6.0
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+    - name: Docker Build and Push
+      id: build-and-push
+      uses: docker/build-push-action@v4.1.1
+      with:
+        context: .
+        push: ${{ github.event_name != 'pull_request' }}
+        tags: ${{ steps.meta.outputs.tags }}, ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+        labels: ${{ steps.meta.outputs.labels }}
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
+
+    # Sign the resulting Docker image digest except on PRs.
+    # This will only write to the public Rekor transparency log when the Docker
+    # repository is public to avoid leaking data.  If you would like to publish
+    # transparency data even for private images, pass --force to cosign below.
+    # https://github.com/sigstore/cosign
+    - name: Sign the published Docker image
+      if: ${{ github.event_name != 'pull_request' }}
+      env:
+        COSIGN_EXPERIMENTAL: "true"
+      # This step uses the identity token to provision an ephemeral certificate
+      # against the sigstore community Fulcio instance.
+      run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}

Dockerfile

@@ -1,5 +1,7 @@
 FROM golang:alpine
 
+LABEL org.opencontainers.image.source=https://github.com/chefgs/linktoqr
+
 # Set necessary environmet variables needed for our image
 ENV CGO_ENABLED=0 \
     GOOS=linux