#!/usr/bin/env bash 
openssl genrsa -out server.key 2048
openssl req -sha256 -new -key server.key -out server.csr -subj '/CN=localhost'
openssl x509 -req -sha256 -days 365 -in server.csr -signkey server.key -out server.crt
cat server.crt server.key > server.pem