location ~ ^/api {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header        Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header        X-Real-IP       $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass      http://127.0.0.1:1820;
    }
    location / {
        autoindex on;
        root /var/www/dist;
    }