server {
  listen 80;
  server_name _;

  root /usr/share/nginx/html;
  index index.html;
  client_max_body_size 100m;

  location = /health {
    proxy_pass http://backend:3701/health;
    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;
  }

  location /api/ {
    proxy_pass http://backend:3701;
    proxy_http_version 1.1;
    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;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_read_timeout 3600s;
    proxy_send_timeout 3600s;
  }

  location /uploads/ {
    proxy_pass http://backend:3701;
    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;
  }

  location = /widget.js {
    proxy_pass http://backend:3701/widget.js;
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-Proto $scheme;
  }

  location ~ ^/(zuopin|qa)/ {
    proxy_pass http://backend:3701;
    proxy_http_version 1.1;
    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;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_read_timeout 3600s;
    proxy_send_timeout 3600s;
  }

  location /assets/ {
    try_files $uri =404;
    expires 1y;
    add_header Cache-Control "public, immutable";
  }

  location / {
    try_files $uri $uri/ /index.html;
  }
}