.gitea/workflows/update-images.yaml を追加

.gitea/workflows/update-images.yaml

@@ -0,0 +1,59 @@
+name: Update Docker Image Tags
+
+on:
+  schedule:
+    - cron: '0 2 * * 1'  # 毎週月曜日午前2時
+  workflow_dispatch:
+
+jobs:
+  update-tags:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Check for new nginx version
+        id: nginx
+        run: |
+          CURRENT=$(grep -A2 "nginx:" values.yaml | grep "tag:" | sed 's/.*tag: "\(.*\)"/\1/')
+          LATEST=$(curl -s https://registry.hub.docker.com/v2/repositories/library/nginx/tags?page_size=100 | \
+            jq -r '.results[].name' | grep -E '^[0-9]+\.[0-9]+\.[0-9]+-alpine-perl$' | sort -V | tail -1)
+          echo "current=$CURRENT" >> $GITHUB_OUTPUT
+          echo "latest=$LATEST" >> $GITHUB_OUTPUT
+
+      - name: Check for new wordpress version
+        id: wordpress
+        run: |
+          CURRENT=$(grep -A2 "wordpress:" values.yaml | grep "tag:" | sed 's/.*tag: "\(.*\)"/\1/')
+          LATEST=$(curl -s https://registry.hub.docker.com/v2/repositories/library/wordpress/tags?page_size=100 | \
+            jq -r '.results[].name' | grep -E '^[0-9]+\.[0-9]+\.[0-9]+-php[0-9]+\.[0-9]+-fpm-alpine$' | sort -V | tail -1)
+          echo "current=$CURRENT" >> $GITHUB_OUTPUT
+          echo "latest=$LATEST" >> $GITHUB_OUTPUT
+
+      - name: Update values.yaml
+        if: steps.nginx.outputs.current != steps.nginx.outputs.latest || steps.wordpress.outputs.current != steps.wordpress.outputs.latest
+        run: |
+          sed -i 's/tag: "${{ steps.nginx.outputs.current }}"/tag: "${{ steps.nginx.outputs.latest }}"/' values.yaml
+          sed -i 's/tag: "${{ steps.wordpress.outputs.current }}"/tag: "${{ steps.wordpress.outputs.latest }}"/' values.yaml
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: |
+            chore: update docker image tags
+            
+            - nginx: ${{ steps.nginx.outputs.current }} → ${{ steps.nginx.outputs.latest }}
+            - wordpress: ${{ steps.wordpress.outputs.current }} → ${{ steps.wordpress.outputs.latest }}
+          title: 'chore: update docker image tags'
+          body: |
+            ## Docker Image Updates
+            
+            | Image | Current | Latest |
+            |-------|---------|--------|
+            | nginx | `${{ steps.nginx.outputs.current }}` | `${{ steps.nginx.outputs.latest }}` |
+            | wordpress | `${{ steps.wordpress.outputs.current }}` | `${{ steps.wordpress.outputs.latest }}` |
+            
+            This PR was automatically generated.
+          branch: update-docker-images
+          delete-branch: true