docker login

Log into a docker registry. More information: https://docs.docker.com/engine/reference/commandline/login/.

• Interactively log into a registry:
  docker login
• Log into a registry with a specific username (user will be prompted for a password):
  docker login --username {{username}}
• Log into a registry with username and password:
  docker login --username {{username}} --password {{password}} {{server}}
• Log into a registry with password from stdin:
  echo "{{password}}" | docker login --username {{username}} --password-stdin