fix: correct YAML syntax in docker workflow

.github/workflows/docker.yml

@@ -8,7 +8,6 @@ on:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
-  IMAGE_NAME_LOWER: ${{ github.repository }}
 
 jobs:
   build-base:
@@ -31,18 +30,17 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-        - name: Set lowercase image name
-          id: lower
-          run: echo "IMAGE_NAME_LOWER=${IMAGE_NAME,,}" >> $GITHUB_ENV
+      - name: Set lowercase image name
+        run: echo "IMAGE_NAME_LOWER=${IMAGE_NAME,,}" >> $GITHUB_ENV
       
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@v5
         with:
             images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_LOWER }}
-          tags: |
-            type=semver,pattern={{version}}
-            type=raw,value=latest
+            tags: |
+              type=semver,pattern={{version}}
+              type=raw,value=latest
       
       - name: Build and push base image
         uses: docker/build-push-action@v5
@@ -75,13 +73,15 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       
+      - name: Set lowercase image name
+        run: echo "IMAGE_NAME_LOWER=${IMAGE_NAME,,}" >> $GITHUB_ENV
+
       - name: Build and push Kali image
         uses: docker/build-push-action@v5
         with:
           context: .
           file: Dockerfile.kali
           push: true
-            tags: |
-              ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_LOWER }}:kali
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_LOWER }}:kali
           cache-from: type=gha
           cache-to: type=gha,mode=max