Publish image to GHCR

.github/workflows/build.yml

@@ -84,6 +84,7 @@ jobs:
     needs: go
     env:
       DOCKERHUB_SLUG: crazymax/diun
+      GHCR_SLUG: ghcr.io/crazy-max/diun
     steps:
       -
         name: Checkout
@@ -93,7 +94,9 @@ jobs:
         id: docker_meta
         uses: crazy-max/ghaction-docker-meta@v1
         with:
-          images: ${{ env.DOCKERHUB_SLUG }}
+          images: |
+            ${{ env.DOCKERHUB_SLUG }}
+            ${{ env.GHCR_SLUG }}
           tag-edge: true
           tag-match: v(.*)
           tag-match-group: 1
@@ -112,6 +115,14 @@ jobs:
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1.4.1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
       -
         name: Build
         uses: docker/build-push-action@v2
@@ -122,7 +133,7 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.docker_meta.outputs.tags }}
           build-args: |
-            VERSION=${{ steps.prep.outputs.version }}
+            VERSION=${{ steps.docker_meta.outputs.version }}
           labels: |
             ${{ steps.docker_meta.outputs.labels }}
             org.opencontainers.image.title=Diun
@@ -133,9 +144,12 @@ jobs:
         if: github.event_name != 'pull_request'
         run: |
           docker buildx imagetools inspect ${{ env.DOCKERHUB_SLUG }}:${{ steps.docker_meta.outputs.version }}
+          docker buildx imagetools inspect ${{ env.GHCR_SLUG }}:${{ steps.docker_meta.outputs.version }}
       -
-        name: Inspect
+        name: Inspect image
         if: github.event_name != 'pull_request'
         run: |
           docker pull ${{ env.DOCKERHUB_SLUG }}:${{ steps.docker_meta.outputs.version }}
           docker image inspect ${{ env.DOCKERHUB_SLUG }}:${{ steps.docker_meta.outputs.version }}
+          docker pull ${{ env.GHCR_SLUG }}:${{ steps.docker_meta.outputs.version }}
+          docker image inspect ${{ env.GHCR_SLUG }}:${{ steps.docker_meta.outputs.version }}

docs/install/docker.md

@@ -2,7 +2,13 @@
 
 ## About
 
-Diun provides automatically updated Docker :whale: images within [Docker Hub](https://hub.docker.com/r/crazymax/diun).
+Diun provides automatically updated Docker :whale: images within several registries:
+
+| Registry                                                                                         | Image                           |
+|--------------------------------------------------------------------------------------------------|---------------------------------|
+| [Docker Hub](https://hub.docker.com/r/crazymax/diun/)                             | `crazymax/diun`                 |
+| [GitHub Container Registry](https://github.com/users/crazy-max/packages/container/package/diun)  | `ghcr.io/crazy-max/diun`        |
+
 It is possible to always use the latest stable tag or to use another service that handles updating Docker images.
 
 Following platforms for this image are available: