upstream server {
  server server:8080;
}

server {
  listen 80;

  location / {
    root  /usr/share/nginx/html/;
    index index.html index.htm index.nginx-debian.html;
    try_files $uri $uri/ /index.html; 
  }

  location /api/ {
    proxy_set_header Host $host;
    proxy_pass http://server/;
  }
}