server {
    listen       80;
    server_name  opendc.org;

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

    location /socket.io {
        proxy_http_version 1.1;

        proxy_buffering off;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_pass http://api:8081/socket.io;
    }

    location /tokensignin {
        proxy_pass http://api:8081/tokensignin;
    }

    location /api {
        proxy_pass http://api:8081/api;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}