Create a separate workflow for PRs

Author: justafish

.github/workflows/BuildDockerImage.yml

@@ -0,0 +1,42 @@
+name: Create a Docker image
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=pr
+            type=sha
+
+      - name: Build Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: false
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/PublishDockerImage.yml

@@ -5,8 +5,6 @@ on:
     branches: ['main']
     tags:
       - 'v*.*.*'
-  pull_request:
-    types: [opened, synchronize, reopened]
 
 env:
   REGISTRY: ghcr.io