feat: finish Douyin production readiness flow

compose.dev.yaml

@@ -1,5 +1,7 @@
+---
 # 本地热加载开发用 override：只跑 postgres + docker-gateway，宿主机直接跑 control-plane 与前端。
-# 用法：docker compose -f compose.yaml -f compose.dev.yaml up -d postgres docker-gateway
+# 用法：docker compose -f compose.yaml -f compose.dev.yaml up -d \
+#   postgres docker-gateway
 services:
   creator-hub:
     # 本地开发不跑容器版 control-plane；profile 化后不启动。
@@ -12,3 +14,10 @@ services:
   docker-gateway:
     ports:
       - "8081:8081"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    environment:
+      BROWSER_CDP_URL: ${BROWSER_CDP_URL:-}
+      BROWSER_CDP_TARGET_ID: ${BROWSER_CDP_TARGET_ID:-}
+      BROWSER_CDP_ALIAS: ${BROWSER_CDP_ALIAS:-local-cdp}
+      BROWSER_CDP_NETWORK_ID: ${BROWSER_CDP_NETWORK_ID:-local-cdp}