A Dockerfile is used to build Docker Images. It is a simple text file that consists of a set of instructions or commands that is executed by an automated build process in steps from top to bottom ...

Docker file copy command. This Docker copy (cp) command takes a file that exists inside a Docker container and saves it to your computer’s local file system. The container-name specified in the ...

In that file, add the secret you want it to house and then save and close the file. 2. Create the secret from the file with a command like docker secret create tr_secret /home/jack/secrets.txt .