default.conf

server {
    listen 443 ssl;
    server_name api.server.com;

    ssl_certificate    /etc/ssl/cloudflare/api.pem;
    ssl_certificate_key    /etc/ssl/cloudflare/key.key;

    client_max_body_size 20M;

    location / {
        proxy_pass http://localhost:8080;
        proxy_redirect     off;
        proxy_set_header   Host             $host;
        proxy_set_header   X-Real-IP        $remote_addr;
        proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
        proxy_set_header   Upgrade $http_upgrade;
        proxy_set_header   Connection "upgrade";
    }
}