Automate release

.github/release.yml

@@ -0,0 +1,4 @@
+changelog:
+  exclude:
+    labels:
+    - tagpr

.github/workflows/release.yaml

@@ -0,0 +1,22 @@
+name: Release
+on:
+  # Dispatched by tagpr workflow.
+  workflow_dispatch:
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - uses: actions/checkout@v4
+    - uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - uses: docker/setup-buildx-action@v3
+    - uses: docker/build-push-action@v5
+      with:
+        push: true
+        tags: ghcr.io/${{ github.repository }}:${{ github.ref_name }}

.github/workflows/tagpr.yaml

@@ -0,0 +1,29 @@
+name: tagpr
+on:
+  push:
+    branches:
+    - main
+jobs:
+  tagpr:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: write
+      contents: write
+      pull-requests: write
+    steps:
+    - uses: actions/checkout@v4
+    - id: tagpr
+      uses: Songmu/tagpr@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - if: steps.tagpr.outputs.tag != ''
+      name: Trigger release workflow
+      uses: actions/github-script@v7
+      with:
+        script: |
+          github.rest.actions.createWorkflowDispatch({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            workflow_id: "release.yaml",
+            ref: "refs/tags/${{ steps.tagpr.outputs.tag }}",
+          })

.tagpr

@@ -0,0 +1,5 @@
+[tagpr]
+releaseBranch = main
+versionFile = -
+vPrefix = true
+changelog = false