docker: publish to github container registry

.github/workflows/docker.yml

@@ -1,3 +1,5 @@
+# https://github.com/docker/build-push-action#usage
+
 name: Docker
 on:
   push:
@@ -38,6 +40,13 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1 
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build dev branch and push
         if: github.ref == 'refs/heads/dev'
         uses: docker/build-push-action@v2
@@ -45,7 +54,9 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: true
-          tags: 'nadoo/glider:dev'
+          tags: 'nadoo/glider:dev,ghcr.io/nadoo/glider:dev'
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,mode=max,dest=/tmp/.buildx-cache
 
       - name: Get all docker tags
         if: startsWith(github.ref, 'refs/tags/')
@@ -53,9 +64,12 @@ jobs:
         id: tags
         with:
           script: |
+            const ref = `${context.payload.ref.replace(/\/?refs\/tags\//, '')}`
             const tags = [
               'nadoo/glider:latest',
-              `nadoo/glider:${context.payload.ref.replace(/\/?refs\/tags\//, '')}`
+              `nadoo/glider:${ref}`,
+              'ghcr.io/nadoo/glider:latest',
+              `ghcr.io/nadoo/glider:${ref}`
             ]
             return tags.join(',')
           result-encoding: string
@@ -68,3 +82,5 @@ jobs:
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: true
           tags: ${{steps.tags.outputs.result}}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,mode=max,dest=/tmp/.buildx-cache