CleverToday

What’s new with Docker 1.13

CleverToday

Command Line Interface

CleverToday

CLI restructuration

• Problems:

• Number of commands at top level was becoming large

• Mixing of container and image commands

• Different sub-commands for same actions (ps / ls)

CleverToday

CLI restructuration

• attach• build• commit• cp• create• diff• events• exec• export

• history• images• import• info• inspect• kill• load• login• logout

• logs• network• node• pause• port• ps• pull• push• rename

• restart• rm• rmi• run• save• search• service• start• stats

• stop• swarm• tag• top• unpause• update• version• volume• wait

• Docker 1.12 commands:

CleverToday

CLI restructuration

• checkpoint• container• image• network• node• plugin• secret

• service• stack• swarm• system• volume

• build• deploy• login• logout• run• search• version

• Docker 1.13:

Management

CleverToday

CLI restructuration

• What about the legacy commands?

• Still supported in 1.13

• Not sure when they’re going to be removed

• Use DOCKER_HIDE_LEGACY_COMMANDS=1 to only show new command structure

CleverToday

CLI Backwards Compatibility

• Do you use Docker Machine?

CleverToday

CLI Backwards Compatibility

• Do you use Docker Machine?

• Getting tired of this error?

Error response from daemon: client is newer than server

CleverToday

A newer CLI will now be able to talk to an older daemon

Client 1.13

Daemon 1.13 Daemon 1.11 Daemon 1.12

CleverToday

A newer CLI will now be able to talk to an older daemon

Client 1.13

Daemon 1.13 Daemon 1.11 Daemon 1.12

CleverToday

Data management command

• New subcommands under docker system

CleverToday

Swarm

CleverToday

Secret management

• It is now possible to create Secrets for Swarm cluster

• Secrets can be:

• Passwords• Private keys• …

CleverToday

Secret management

• How does it work?

CleverToday

Compose to Swarm

• Not possible to use a Compose file with 1.12

• Docker Compose 1.10.0 introduces Compose file version 3

• Specifically designed to work with the docker stack command

CleverToday

Compose to Swarm

• Demo time!

CleverToday

Other changes• Add --attachable to enable docker run to work in swarm-

mode overlay network

• Add --force to docker service update

• Experimental features not in a separate build anymore

• Plugins out of experimental

• …

CleverToday

For more…

https://github.com/docker/docker/blob/master/CHANGELOG.md

CleverToday

brice@clevertoday.com@bargenson