add proxy to build images

.gitea/workflows/build-and-push.yml

@@ -51,17 +51,27 @@ jobs:
           echo "$ACR_PASSWORD" | docker login "$ACR_REGISTRY" \
             --username "$ACR_USERNAME" --password-stdin
 
-      - name: Build Docker Image
+      - name: Ensure proxy_net exists
+        run: docker network inspect proxy_net >/dev/null 2>&1 || docker network create proxy_net
+
+      - name: Create buildx builder on proxy_net
+        run: |
+          docker buildx rm ci-builder >/dev/null 2>&1 || true
+          docker buildx create \
+            --name ci-builder --use \
+            --driver docker-container \
+            --driver-opt network=proxy_net \
+            --driver-opt env.http_proxy=http://proxy:7890,env.https_proxy=http://proxy:7890
+
+      - name: Build Docker Image (via proxy)
         env:
           IMAGE: ${{ secrets.ACR_REGISTRY }}/${{ secrets.ACR_NAMESPACE }}/${{ vars.IMAGE_NAME }}
           TAG:   ${{ steps.meta.outputs.tag }}
         run: |
           set -euo pipefail
-          echo "Building ${IMAGE}:${TAG}"
-
-          # 确保构建时使用 proxy_net，并把代理传给 RUN 阶段
-          docker build \
-            --network=proxy_net \
+          docker buildx build \
+            --builder ci-builder \
+            --progress=plain \
             --build-arg HTTP_PROXY=http://proxy:7890 \
             --build-arg HTTPS_PROXY=http://proxy:7890 \
             --build-arg NO_PROXY=localhost,127.0.0.1,proxy \

docker/Dockerfile

@@ -1,5 +1,8 @@
 # syntax=docker/dockerfile:1
 FROM debian:12-slim
+ARG HTTP_PROXY
+ARG HTTPS_PROXY
+ARG NO_PROXY
 
 WORKDIR /app