Once vscode is connected to the remote container, execute the following commands inside the vscode terminal.
sudo nix-env -i cabal-install sudo nix-env -iA nixpkgs.binutils-unwrapped sudo nix-env -i gnome-keyring cabal update cabal new-install --lib sort text split Unique extra containersIn VSCode install the following extension:
vscode:extension/haskell.haskell