chore(CI): Use metadata action to prevent env errors (#68)

Author: Larsluph

.github/workflows/temp-release.yml

@@ -4,12 +4,12 @@ on:
   workflow_dispatch:
     inputs:
       name:
-        description: Docker image tag to apply to the image (e.g., debug-version)
+        description: Docker image tag to apply to the image
         required: true
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository | toLower() }}
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
   build:
@@ -35,12 +35,20 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push Docker image with custom tag
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: ${{ github.event.inputs.name }}
+
+      - name: Build and push Docker image
         uses: docker/build-push-action@v6
         env:
           DOCKER_BUILD_SUMMARY: false
         with:
           context: .
           push: true
           platforms: linux/amd64,linux/arm64
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.event.inputs.name | toLower() }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}