Merge pull request #81 from sohosai/chore/#80-add_image_publisher_wor…

…kflow

Dockerイメージをレジストリにpushするワークフローの追加

.github/workflows/release.yml

@@ -0,0 +1,34 @@
+name: Release
+on: [push]
+
+jobs:
+  push-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set tag
+        id: set_tag
+        run: |
+          TAG_NAME="${{ github.ref_name }}"
+          CLEANED_TAG_NAME=$(echo "$TAG_NAME" | sed 's/[^a-zA-Z0-9_.-]/-/g')
+          if [[ "${{ github.ref }}" == "refs/heads/main" ]]; then
+            echo "::set-output name=tag::latest"
+          else
+            echo "::set-output name=tag::$CLEANED_TAG_NAME"
+          fi
+      - name: Build and Push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ghcr.io/${{ github.repository }}:${{ steps.set_tag.outputs.tag }}