Disable SSL certificate validation in Haskell `req` library

Question

How to disable SSL certificate validation when using the Haskell req library? Similar to curl -k.

Answer 1

import Network.Connection (TLSSettings (TLSSettingsSimple))
import Network.HTTP.Client (newManager)
import Network.HTTP.Client.TLS (mkManagerSettings)
import Network.HTTP.Req

main = do
  myManager <- newManager $ mkManagerSettings (TLSSettingsSimple True False False) Nothing
  let httpConfig = def { httpConfigAltManager = Just myManager }
  runReq httpConfig $ do
    req POST -- ...