do a release

Author: dazz

.github/workflows/release.yaml

@@ -1,21 +1,31 @@
 name: release
 
 on:
-  create
+  workflow_dispatch:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'main'
 
 jobs:
   docker:
-    if: ${{ startsWith(github.ref, 'refs/tags/v') }}
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: hakindazz/s6-cli
+          tags: |
+            # set latest tag for default branch
+            type=raw,value=latest,enable={{is_default_branch}}
       -
         name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
@@ -24,5 +34,6 @@ jobs:
         name: Build and push
         uses: docker/build-push-action@v5
         with:
-          push: true
-          tags: hakindazz/s6-cli:latest
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}