upstream backend {
    server 192.168.177.1:1234;
}

server {
    listen 80;
    listen [::]:80;

    root /usr/share/nginx/html;

    location / {
        index index.html;
    }

    location ~ ^/api/(?<rpc_method>ListPeers|GetDeviceInfo)$ {
        proxy_set_header Content-Type application/json;
        proxy_set_header Referer "";
        proxy_method POST;
        proxy_set_body '{"jsonrpc": "2.0", "method": "$rpc_method", "params": {}}';
        proxy_pass http://backend;
    }
}