server {
  listen 80;
  server_name _;
  root /srv/visualizer;
  index index.html;

  location /api/ {
    proxy_pass http://api:3000/;
    proxy_http_version 1.1;
    proxy_set_header Host $host;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }

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