Simplify workflow: use Docker commands directly

Works better with DinD runner setup

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>

.gitea/workflows/build.yml

@@ -9,27 +9,25 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    container:
-      image: gcr.io/kaniko-project/executor:debug
-      options: --privileged
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Prepare Kaniko config
+      - name: Build Docker image
         run: |
-          mkdir -p /kaniko/.docker
-          echo "{\"auths\":{\"git.fuq.tv\":{\"auth\":\"$(echo -n admin:${{ secrets.REGISTRY_TOKEN }} | base64)\"}}}" > /kaniko/.docker/config.json
+          docker build -t git.fuq.tv/admin/aiworker-backend:latest .
+          docker tag git.fuq.tv/admin/aiworker-backend:latest git.fuq.tv/admin/aiworker-backend:${GITHUB_SHA::7}
 
-      - name: Build and push with Kaniko
+      - name: Login to Gitea Registry
+        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login git.fuq.tv -u admin --password-stdin
+
+      - name: Push images
         run: |
-          /kaniko/executor \
-            --context=$GITHUB_WORKSPACE \
-            --dockerfile=Dockerfile \
-            --destination=git.fuq.tv/admin/aiworker-backend:latest \
-            --destination=git.fuq.tv/admin/aiworker-backend:${GITHUB_SHA::7} \
-            --cache=true \
-            --cache-repo=git.fuq.tv/admin/aiworker-backend/cache
+          docker push git.fuq.tv/admin/aiworker-backend:latest
+          docker push git.fuq.tv/admin/aiworker-backend:${GITHUB_SHA::7}
 
-      - name: Image pushed
-        run: echo "Image pushed to git.fuq.tv/admin/aiworker-backend:latest"
+      - name: Success
+        run: |
+          echo "✅ Images pushed successfully:"
+          echo "  - git.fuq.tv/admin/aiworker-backend:latest"
+          echo "  - git.fuq.tv/admin/aiworker-backend:${GITHUB_SHA::7}"