[F] Try to fix github actions

.github/workflows/docker.yml

@@ -23,13 +23,14 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Build rust
-        run: |
-          cd backend
-          cargo build --release --verbose
+        working-directory: backend
+        run: cargo build --release --verbose
 
       - uses: docker/setup-buildx-action@v2
+        working-directory: backend
 
       - name: Log into registry ${{ env.REGISTRY }}
+        working-directory: backend
         uses: docker/login-action@v2
         with:
           registry: ${{ env.REGISTRY }}
@@ -37,6 +38,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Extract Docker metadata
+        working-directory: backend
         id: meta
         uses: docker/metadata-action@v4
         with:
@@ -45,8 +47,9 @@ jobs:
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@v4
+        working-directory: backend
         with:
-          context: backend
+          context: .
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha