cd /opt
git clone https://github.com/airbnb/caravel.git 
cd /opt/caravel
python setup.py develop
fabmanager create-admin --app caravel
cd /opt/caravel/caravel/bin
./caravel db upgrade
./caravel init
./caravel load_examples
cd /opt/caravel/caravel/assets
npm install
npm run prod

Clone specific caravel version:

git clone --branch 0.9.1 https://github.com/airbnb/caravel.git