adds workflow to publish container image

Author: DSUmjham

.github/workflows/publish.yml

@@ -0,0 +1,38 @@
+name: Publish Patch Hunter
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+    tags: [ 'v*' ]
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push multi-arch image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ghcr.io/${{ github.repository_owner }}/patch-hunter:latest
+            ghcr.io/${{ github.repository_owner }}/patch-hunter:${{ github.ref_name }}
+