fix: use lowercase image name for GHCR compatibility

Author: F嘉阳-coder

.github/workflows/build-and-push.yml

@@ -32,6 +32,10 @@ jobs:
           PLATFORM_PAIR=$(echo ${{ matrix.platform }} | tr '/' '-')
           echo "PLATFORM_PAIR=$PLATFORM_PAIR" >> $GITHUB_ENV
 
+      - name: Set lowercase image name
+        run: |
+          echo "IMAGE_NAME=ghcr.io/$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -46,7 +50,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ghcr.io/${{ github.repository }}
+          images: ${{ env.IMAGE_NAME }}
           tags: |
             type=raw,value=latest,enable={{is_default_branch}}
             type=sha,format=short
@@ -59,7 +63,7 @@ jobs:
           context: .
           platforms: ${{ matrix.platform }}
           labels: ${{ steps.meta.outputs.labels }}
-          outputs: type=image,name=ghcr.io/${{ github.repository }},push-by-digest=true,name-canonical=true,push=true
+          outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
           cache-from: type=gha,scope=${{ matrix.platform }}
           cache-to: type=gha,mode=max,scope=${{ matrix.platform }}
 
@@ -92,6 +96,10 @@ jobs:
       - name: Get current date for tagging
         run: echo "DATE_TAG=$(date +'%Y%m%d')" >> $GITHUB_ENV
 
+      - name: Set lowercase image name
+        run: |
+          echo "IMAGE_NAME=ghcr.io/$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -113,7 +121,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ghcr.io/${{ github.repository }}
+          images: ${{ env.IMAGE_NAME }}
           tags: |
             type=raw,value=latest,enable={{is_default_branch}}
             type=sha,format=short
@@ -125,7 +133,7 @@ jobs:
           # Build the list of digests
           digests=$(find . -type f -name "*-*" | while read f; do
             digest=$(basename "$f" | sed 's/^[^-]*-//')
-            echo "ghcr.io/${{ github.repository }}@sha256:${digest}"
+            echo "${{ env.IMAGE_NAME }}@sha256:${digest}"
           done)
 
           # Create and push manifest with all tags
@@ -136,4 +144,4 @@ jobs:
       - name: Inspect image
         run: |
           TAG=$(echo "${{ steps.meta.outputs.tags }}" | head -n1 | cut -d':' -f2)
-          docker buildx imagetools inspect ghcr.io/${{ github.repository }}:${TAG}
+          docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${TAG}