优化下载速度, 配置镜像站-2

deploy/docker/backend.Dockerfile

@@ -4,7 +4,6 @@ ARG DEBIAN_MIRROR=mirrors.cloud.tencent.com
 ARG NPM_REGISTRY=https://registry.npmmirror.com
 ARG PLAYWRIGHT_DOWNLOAD_HOST=https://npmmirror.com/mirrors/playwright
 ARG UV_DEFAULT_INDEX=https://mirrors.cloud.tencent.com/pypi/simple
-ARG TARGETARCH
 
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
@@ -28,8 +27,10 @@ RUN curl -LsSf https://astral.sh/uv/install.sh | sh \
 COPY apps/backend/package.json apps/backend/package-lock.json ./
 RUN npm ci
 
-RUN if [ "${TARGETARCH}" = "amd64" ]; then \
-    PLAYWRIGHT_DOWNLOAD_HOST="${PLAYWRIGHT_DOWNLOAD_HOST}" npx playwright install --with-deps chromium; \
+RUN if [ -n "${PLAYWRIGHT_DOWNLOAD_HOST}" ]; then \
+    echo "Trying Playwright mirror: ${PLAYWRIGHT_DOWNLOAD_HOST}"; \
+    PLAYWRIGHT_DOWNLOAD_HOST="${PLAYWRIGHT_DOWNLOAD_HOST}" npx playwright install --with-deps chromium \
+    || (echo "Playwright mirror failed, falling back to official host" && npx playwright install --with-deps chromium); \
   else \
     npx playwright install --with-deps chromium; \
   fi