Jatin Demla shows how to create Docker secrets:
Managing the password, access tokens and private keys are being tedious in the application. Any small mistakes accidentally expose all the secret information. Even storing such thing in docker images can be easily accessible one should just run the image in the interactive mode container and all your application code is available in containers. Docker provides secrets to protect all secret data.
This blog explains the low-level of storage information as well as secured access to docker secret. so, let’s get started.
Read the whole thing, especially if you’ve gone container-happy.