https://www.heroku.com/pricing

free dyno: 512m RAM, 550 hours runtime per month(Sleeps after 30 mins of inactivity)

https://dashboard.heroku.com/account/billing

$5 credit granted monthly

512 MB RAM

and shared CPU / container

1 GB Disk

Limited to $5 of usage

Deploys shut off when limit is reached

100 GB outbound network bandwidth

Unlimited inbound network bandwidth

Multiple custom domains with SSL

encrypt method: chacha20-ietf-poly1305

port: 443

plugin-opts: tls;host=mydomain.com

addEventListener(
  'fetch',event => {
     let url=new URL(event.request.url);
     url.hostname='app-name.herokuapp.com';
     let request=new Request(url,event.request);
     event.respondWith(fetch(request))
  }
)

https://github.com/shadowsocks/shadowsocks-rust

https://github.com/teddysun/shadowsocks_install/tree/master