NVM 설치 및 세팅

- 다양한 Node.JS 버전을 설치 및 관리하기 위한 버전 관리 매니저
- 유사한 툴: jenv, pyenv 등

# 1. Install
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

# 2. Configure
echo -e '\n# [nvm]' >> ~/.bashrc
echo 'export NVM_DIR="$HOME/.nvm"' >> ~/.bashrc
echo '[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm' >> ~/.bashrc
echo '[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion' >> ~/.bashrc

# 3. Add node to nvm
nvm install --lts
nvm install <NODE_VERSION>
nvm ls
nvm current

# 4. Usage
nvm use <NODE_VERSION>
nvm run <NODE_VERSION> <JS_FILE>
nvm exec <NODE_VERSION> node <JS_FILE> # or any command