Nix as development environment

Nix is a purely functional package manager. It is alternative to homebrew in MacOS, every folder has its own environment with the help of direnv, you can install any version of package on folder base.

Table Of Contents

• Getting Started
• Create nix config .envrc and default.nix
• "Hello World" Node API with Nix

Getting Started

• Install Nix

 sh \
  <(curl -L https://nixos.org/nix/install) \
  --darwin-use-unencrypted-nix-store-volume

• NOTE: this are for who have intel MacBook
• Add nix profile in your favorite shell config
  • ~/.zshrc or ~/.bashrc - create if file not exist

   . /Users/<your-user-name>/.nix-profile/etc/profile.d/nix.sh
   source $HOME/.nix-profile/etc/profile.d/nix.sh
   export NIX_PATH="nixpkgs=$HOME/.nix-defexpr/channels/nixpkgs"

• Close your terminal to reload ~/.zshrc or ~/.bashrc file
• For M1 or arm MacBook please see

 https://nix.dev/tutorials/install-nix

• Open new terminal, then type:

 nix-env --version

• Update all the channels link

nix-channel --update

• Install direnv
  • is an extension for your shell. It augments existing shells with a new feature that can load and unload environment variables depending on the current directory.

nix-env -i direnv

• Add direnv hook to shell config Please see more...

eval "$(direnv hook zsh)"