Why doesn't the "Check for Updates" button bring my Docker to the newest version of the application? The "Check for Updates" button on the DockerMan page checks if the author of the Docker Container made changes to the container itself, not if the Application itself has an update.  The changes include how it installs your program or other things on the backend. If the author has built-in a way to update the application (Restarting the docker, in the Web-UI of the Application) it won't