more fixes

.gitea/workflows/docker-publish.yml

@@ -35,6 +35,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Normalize image coordinates
+        id: image
+        shell: bash
+        run: |
+          REGISTRY_LOWER="$(echo "${REGISTRY}" | tr '[:upper:]' '[:lower:]')"
+          NAMESPACE_LOWER="$(echo "${IMAGE_NAMESPACE}" | tr '[:upper:]' '[:lower:]')"
+          IMAGE_REF="${REGISTRY_LOWER}/${NAMESPACE_LOWER}/${{ matrix.image }}"
+
+          echo "registry=${REGISTRY_LOWER}" >> "$GITHUB_OUTPUT"
+          echo "namespace=${NAMESPACE_LOWER}" >> "$GITHUB_OUTPUT"
+          echo "image_ref=${IMAGE_REF}" >> "$GITHUB_OUTPUT"
+
       - name: Validate registry settings
         shell: bash
         run: |
@@ -49,15 +61,15 @@ jobs:
       - name: Login to registry
         uses: docker/login-action@v3
         with:
-          registry: ${{ env.REGISTRY }}
-          username: HRiggs
+          registry: ${{ steps.image.outputs.registry }}
+          username: ${{ env.REGISTRY_USERNAME }}
           password: ${{ env.REGISTRY_PASSWORD }}
 
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ matrix.image }}
+          images: ${{ steps.image.outputs.image_ref }}
           tags: |
             type=sha
             type=ref,event=branch
@@ -74,5 +86,5 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ matrix.image }}:buildcache
-          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ matrix.image }}:buildcache,mode=max
+          cache-from: type=registry,ref=${{ steps.image.outputs.image_ref }}:buildcache
+          cache-to: type=registry,ref=${{ steps.image.outputs.image_ref }}:buildcache,mode=max