Update buildx

.forgejo/workflows/build.yml

@@ -13,6 +13,9 @@ on:
 jobs:
   test:
     runs-on: docker
+    # Set environment variable to connect to docker-in-docker service (for consistency)
+    env:
+      DOCKER_HOST: tcp://docker-in-docker:2375
     steps:
       - uses: actions/checkout@v4
 
@@ -34,9 +37,18 @@ jobs:
     needs: test
     runs-on: docker
     if: github.event_name == 'push' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
+    # Set environment variable to connect to docker-in-docker service
+    env:
+      DOCKER_HOST: tcp://docker-in-docker:2375
     steps:
       - uses: actions/checkout@v4
 
+      # Verify Docker connection to docker-in-docker service
+      - name: Verify Docker connection
+        run: |
+          echo "Using Docker host: $DOCKER_HOST"
+          docker version || true
+
       - name: Docker info
         run: |
           docker info