Docker Compose 1.21.0 发布,多容器应用编排

来源: 投稿
作者: 淡漠悠然

Docker Compose 1.21.0 已发布,获取地址:

新版本带来了一些新特性,以及 bug 修复:

Compose file version 2.4

  • Introduced version 2.4 of the docker-compose.yml specification.
    This version requires Docker Engine 17.12.0 or above.

  • Added support for the platform parameter in service definitions.
    If supplied, the parameter is also used when performing build for the

Compose file version 2.2 and up

  • Added support for the cpu_rt_period and cpu_rt_runtime parameters
    in service definitions (2.x only).

Compose file version 2.1 and up

  • Added support for the cpu_period parameter in service definitions
    (2.x only).

  • Added support for the isolation parameter in service build configurations.
    Additionally, the isolation parameter is used for builds as well if no
    build.isolation parameter is defined. (2.x only)

All formats

  • Added support for the --workdir flag in docker-compose exec.

  • Added support for the --compress flag in docker-compose build.

  • docker-compose pull is now performed in parallel by default. You can
    opt out using the --no-parallel flag. The --parallel flag is now
    deprecated and will be removed in a future version.

  • Dashes and underscores in project names are no longer stripped out.

  • docker-compose build now supports the use of Dockerfile from outside
    the build context.


  • Compose now checks that the volume's configuration matches the remote
    volume, and errors out if a mismatch is detected.

  • Fixed a bug that caused Compose to raise unexpected errors when attempting
    to create several one-off containers in parallel.

  • Fixed a bug with argument parsing when using docker-machine config to
    generate TLS flags for exec and run commands.

  • Fixed a bug where variable substitution with an empty default value
    (e.g. ${VAR:-}) would print an incorrect warning.

  • Improved resilience when encoding of the Compose file doesn't match the
    system's. Users are encouraged to use UTF-8 when possible.

  • Fixed a bug where external overlay networks in Swarm would be incorrectly
    recognized as inexistent by Compose, interrupting otherwise valid


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