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@aanand aanand released this 04 Feb 20:49
1.6.0
d99cad6

Note that Compose 1.6.0 requires Docker Engine 1.9.1 or later, or 1.10.0 if you're using version 2 of the Compose File format (see the changelog below).

If you're a Mac or Windows user, the Docker Toolbox will install Compose 1.6.0 for you, alongside the latest versions of Docker Engine, Machine and Kitematic.

Alternatively, you can use the usual commands to install or upgrade:

curl -L https://github.com/docker/compose/releases/download/1.6.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

See the install docs for more install options and instructions.

Major Features

  • Compose 1.6 introduces a new format for docker-compose.yml which lets you define networks and volumes in the Compose file as well as services. It also makes a few changes to the structure of some configuration options.

You don't have to use it - your existing Compose files will run on Compose 1.6 exactly as they do today.

Check the upgrade guide for full details.

  • Support for networking has exited experimental status and is the recommended way to enable communication between containers.

If you use the new file format, your app will use networking. If you aren't ready yet, just leave your Compose file as it is and it'll continue to work just the same.

By default, you don't have to configure any networks. In fact, using networking with Compose involves even less configuration than using links. Consult the networking guide for how to use it.

The experimental flags --x-networking and --x-network-driver, introduced in Compose 1.5, have been removed.

  • You can now pass arguments to a build if you're using the new file format:
build:
  context: .
  args:
    buildno: 1
  • You can now specify both a build and an image key if you're using the new file format. docker-compose build will build the image and tag it with the name you've specified, while docker-compose pull will attempt to pull it.
  • There's a new events command for monitoring container events from the application, much like docker events. This is a good primitive for building tools on top of Compose for performing actions when particular things happen, such as containers starting and stopping.
  • There's a new depends_on option for specifying dependencies between services. This enforces the order of startup, and ensures that when you run docker-compose up SERVICE on a service with dependencies, those are started as well.

New Features

  • Added a new command config which validates and prints the Compose configuration after interpolating variables, resolving relative paths, and merging multiple files and extends.
  • Added a new command create for creating containers without starting them.
  • Added a new command down to stop and remove all the resources created by up in a single command.
  • Added support for the cpu_quota configuration option.
  • Added support for the stop_signal configuration option.
  • Commands start, restart, pause, and unpause now exit with an error status code if no containers were modified.
  • Added a new --abort-on-container-exit flag to up which causes up to stop all container and exit once the first container exits.
  • Removed support for FIG_FILE, FIG_PROJECT_NAME, and no longer reads fig.yml as a default Compose file location.
  • Removed the migrate-to-labels command.
  • Removed the --allow-insecure-ssl flag.

Bug Fixes

  • Fixed a validation bug that prevented the use of a range of ports in the expose field.
  • Fixed a validation bug that prevented the use of arrays in the entrypoint field if they contained duplicate entries.
  • Fixed a bug that caused ulimits to be ignored when used with extends.
  • Fixed a bug that prevented ipv6 addresses in extra_hosts.
  • Fixed a bug that caused extends to be ignored when included from multiple Compose files.
  • Fixed an incorrect warning when a container volume was defined in the Compose file.
  • Fixed a bug that prevented the force shutdown behaviour of up and logs.
  • Fixed a bug that caused None to be printed as the network driver name when the default network driver was used.
  • Fixed a bug where using the string form of dns or dns_search would cause an error.
  • Fixed a bug where a container would be reported as "Up" when it was in the restarting state.
  • Fixed a confusing error message when DOCKER_CERT_PATH was not set properly.
  • Fixed a bug where attaching to a container would fail if it was using a non-standard logging driver (or none at all).
  • Fixed a bug where some config options, such as links and ports, were not properly merged when using multiple Compose files.
  • Fixed a bug where setting COMPOSE_PROJECT_NAME to an empty string would result in an empty project name, rather than falling back to the directory name.

Thanks @dnephin, @shin-, @sdurrheimer, @albers, @dbonev, @moxiegirl, @scipetr, @schmunk42, @rtlong, @nubs, @mustafau, @jzvelc, @hourliert, @gutweiler, @alf, @SvenDowideit and @garrettheel!

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