KASNCQ3VEVIK2DA6RCDSBIDJILP7WLB3RF4R7YLJ4M7D563PCFJQC # otherwise, you will get an authentication issue.# >> docker exec -it your-mongo-container bash# >> use ptc# >> db.createUser({user: "mango", pwd: "bango", roles: [{role: "readWrite", db: "ptc"}]})# you might also need:# db.what_even.insert({}) # this causes the db to appear in show dbs;# Not sure if it has any effect though!