feat: complete huihui square avatar workflows

digital-avatar-app/nginx.conf

@@ -0,0 +1,38 @@
+# 完整主配置：覆盖 nginx:alpine 默认 /etc/nginx/nginx.conf
+# 新版 nginx 在受限容器内写 /run/nginx.pid 会报 Operation not permitted 并致命退出，
+# 这里把 pid 显式改到可写的 /tmp（main 上下文唯一一处），避免前端容器反复重启。
+pid /dev/null;
+worker_processes auto;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+    sendfile on;
+    keepalive_timeout 65;
+
+    server {
+        listen 80;
+        server_name _;
+
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # SPA 兜底（hash 路由下深链接也可正常加载）
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        # 后端 API：保留 /api 前缀转发到 avatar-backend:8000
+        location /api/ {
+            proxy_pass http://avatar-backend:8000;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+    }
+}