Install mongo wget -qO — https://www.mongodb.org/static/pgp/server-5.0.asc | sudo apt-key add — echo «deb http://repo.mongodb.org/apt/debian buster/mongodb-org/5.0 main» | sudo tee /etc/apt/sources.list.d/mongodb-org-5.0.list apt update sudo apt-get install -y mongodb-org systemctl start mongod Configure   Create replicaset rs.initiate( { _id : «example», members: [ { _id: 0, host: «mongodb0:27017» }, { _id: 1, host: «mongodb1:27017» }, { _id: 2, host: «mongodb-arbiter:27017″, arbiterOnly=true } ] })   Create user to non mention database for connection use admin db.createUser({user: «user» […]