web-cad/frontend/nginx.conf

server {
  listen 80;
  root /usr/share/nginx/html;
  index index.html;

  resolver 127.0.0.11 valid=30s;

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

  location /api/ {
    set $backend http://backend:3001;
    proxy_pass $backend;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
  }

  location /ws {
    set $backend http://backend:3001;
    proxy_pass $backend;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }
}