Trigger release on release event

previously triggered upon workflow_dispatch

.github/workflows/release.yml

@@ -1,52 +1,13 @@
 name: release
 
 on:
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: 'Tag to be released'
-        required: true
-      prerelease:
-        description: "Is the release a GA?"
-        required: false
-        default: false
-        type: boolean
-
-jobs:
   release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildk
-        uses: docker/setup-buildx-action@v1
+    types: [published]
 
-      - name: Login to ghcr
-        uses: docker/login-action@v1
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
-          push: true
-          tags: |
-            ghcr.io/scality/artifacts:${{ inputs.tag }}
-
-      - name: Create Release
-        uses: softprops/action-gh-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          name: Release ${{ github.event.inputs.tag }}
-          tag_name: ${{ github.event.inputs.tag }}
-          generate_release_notes: true
-          target_commitish: ${{ github.sha }}
+jobs:
+  docker:
+    uses: scality/workflows/.github/workflows/docker-build.yaml@v1
+    with:
+      name: artifacts
+      namespace: scality
+      tag: ${{ github.ref_name }}