Add GHCR image push workflow

Signed-off-by: Niladri Halder <[email protected]>

Author: niladrih

.github/workflows/build.yml

@@ -105,6 +105,7 @@ jobs:
           images: |
             ${{ env.IMAGE_ORG }}/m-exporter
             quay.io/${{ env.IMAGE_ORG }}/m-exporter
+            ghcr.io/${{ env.IMAGE_ORG }}/m-exporter
           tag-latest: false
           tag-custom-only: true
           tag-custom: |
@@ -139,6 +140,13 @@ jobs:
           username: ${{ secrets.QUAY_USERNAME }}
           password: ${{ secrets.QUAY_TOKEN }}
 
+      - name: Login to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build & Push Image
         uses: docker/build-push-action@v2
         with:

.github/workflows/release.yml

@@ -52,6 +52,7 @@ jobs:
           images: |
             ${{ env.IMAGE_ORG }}/m-exporter
             quay.io/${{ env.IMAGE_ORG }}/m-exporter
+            ghcr.io/${{ env.IMAGE_ORG }}/m-exporter
           tag-latest: true
           tag-semver: |
             {{version}}
@@ -85,6 +86,13 @@ jobs:
           username: ${{ secrets.QUAY_USERNAME }}
           password: ${{ secrets.QUAY_TOKEN }}
 
+      - name: Login to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build & Push Image
         uses: docker/build-push-action@v2
         with: