action to auto cut github release (#43)

.github/workflows/docker-publish.yml

@@ -11,6 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       EXISTS: ${{ steps.check-version.outputs.EXISTS }}
+      VERSION: ${{ steps.package-version.outputs.VERSION }}
 
     steps:
       - name: Checkout code
@@ -66,3 +67,29 @@ jobs:
           KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
         with:
           args: rollout restart -n ${{ secrets.KUBE_NAMESPACE }} deploy/${{ secrets.KUBE_DEPLOYMENT }}
+
+  create-release:
+    runs-on: ubuntu-latest
+    needs: build-and-push
+    if: needs.build-and-push.outputs.EXISTS == 'false'
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Create GitHub release
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          VERSION: ${{ needs.build-and-push.outputs.VERSION }}
+        run: |
+          # Extract release notes from CHANGELOG.md
+          notes=$(awk -v version="$VERSION" '
+            $0 ~ "## Version " version {flag=1;next}
+            $0 ~ "## Version " && flag {exit}
+            flag' CHANGELOG.md)
+
+          gh release create "v$VERSION" \
+              --repo="$GITHUB_REPOSITORY" \
+              --title="v$VERSION" \
+              --notes="$notes"