See also Docker How Tos.
The name of the configuration.
Connect to Docker daemon with
Docker for Mac. For macOS only: If you are using Docker for macOS, this is the recommended connection option.
Unix socket. For Linux only: This is the recommended connection option for Linux.
Docker Machine. If you are using Docker Toolbox for Windows or macOS, this is the recommended option for connecting to Docker API.
The Connection successful message should appear right away. If it doesn't, check your Docker Machine executable setting on the Docker | Tools page.
If you have more than one Docker Machine installed and running, use the list to select which of the Machines should be used.
TCP socket. If you are using Docker for Windows, this is the usual connection option. This option will also work for Linux, Docker for macOS and Docker Toolbox.
For Windows and macOS: Specify the host - virtual machine path mappings for folders that you are going to map to container volumes.
Use to edit an existing mapping, or to create a new one. In the dialog that opens: