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Docker Compose 1.21.0 已发布,获取地址:https://www.docker.com/products/docker

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
    service.

Compose file version 2.2 and up

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.

Bugfixes

  • 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
    operations.

源码下载和发布说明:https://github.com/docker/compose/releases/tag/1.21.0

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