usage: secure [-addr host:port] -cert certfile -key keyfile upstream
  -addr string
        listen address (default ":443")
  -cert string
        path to cert file
  -key string
        path to key file
  upstream string
        upstream url

secure -cert cert.pem -key key.pem http://localhost:6060

# generate self-signed certificate and private key
openssl req -newkey rsa:4096 -nodes -keyout key.pem -x509 -days 365 -out cert.pem -subj "/CN=localhost"

# start godoc
godoc -http localhost:6060 &

# secure it
secure -key key.pem -cert cert.pem http://localhost:6060

# somehow obtain key.pem and cert.pem

# start godoc
# Command Prompt: start godoc -http localhost:6060
Start-Process godoc "-http localhost:6060"

# secure it
secure -key key.pem -cert cert.pem http://localhost:6060