Install mongodb on catalina

index.sh

# copy from line 3 to 12 and paste in terminal

sudo mkdir -p /Users/$USER/mongo/db; # to ask for a password at the beginning
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"; # install homebrew
brew install wget; wget https://fastdl.mongodb.org/osx/mongodb-macos-x86_64-4.2.1.tgz;
tar -zxvf mongodb-macos-x86_64-4.2.1.tgz;
cd mongodb-macos-x86_64-4.2.1; 
sudo cp ./bin/* /usr/local/bin/; sudo ln -s ./bin/* /usr/local/bin/;
cd ..; rm -rf mongodb-macos-x86_64-4.2.1 mongodb-macos-x86_64-4.2.1.tgz;

mongod --dbpath=/Users/$USER/mongo/db; # start the mongo server

# ────────────────────────────────────────────────────────────────────────────────

# OPTIONAL - create a shorcut for the start server line

# 1) paste the following line in the ~/.zshrc (create if don't exists)
alias mongod_="mongod --dbpath=/Users/$USER/mongo/db;"
# 2) now you can use mongod_ for start the server with custom db folder location
mongod_

# Catalina stops writing in root directory so you need to chown
## Find username with `$ id -un`

sudo chown -Rv <YOURUSERNAME> /Users/$USER/mongo/db;