fix: 🐛 Convert repository owner to lowercase for GHCR compatibility

Author: OidaTiftla

.github/workflows/docker-publish.yml

@@ -29,13 +29,17 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Set lowercase repository owner
+        id: setup
+        run: echo "owner_lower=$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
+
       - name: Build and push Docker image (multi-arch)
         uses: docker/build-push-action@v4
         with:
           context: .
           push: true
           platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6,linux/386
           tags: |
-            ghcr.io/${{ github.repository_owner }}/calendar-proxy:latest
-            ghcr.io/${{ github.repository_owner }}/calendar-proxy:${{ github.sha }}
+            ghcr.io/${{ steps.setup.outputs.owner_lower }}/calendar-proxy:latest
+            ghcr.io/${{ steps.setup.outputs.owner_lower }}/calendar-proxy:${{ github.sha }}
           file: Dockerfile

docker-compose.production.yml

@@ -1,6 +1,6 @@
 services:
   app:
-    image: calendar-proxy:latest
+    image: ghcr.io/oidatiftla/calendar-proxy:latest
     restart: unless-stopped
     expose:
       - 8000  # Assuming the app is behind a reverse proxy

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   app:
-    image: calendar-proxy:latest
+    image: ghcr.io/oidatiftla/calendar-proxy:latest
     build:
       context: .
       dockerfile: Dockerfile