cli/compose/schema: make version: "3" equivalent to "3.x" (latest) #3445
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/cc @ndeloof @ulyssessouza ptal |
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Oh! One test failing; I probably forgot to update one (it's been a while since I made this patch) |
Previously, `version: "3"` was equivalent to `version: "3.0"`, which caused confusion for many users, as they expected it to be "3.x". docker-compose and docker compose (v2) have adopted the compose-spec (https://compose-spec.io), which no longer has a version field in the compose file, and always picks the "latest" supported version. This changes how `docker stack` interprets "major" version numbers specified in compose-files: When only the major version ("3") is specified, it is now equivalent to "3.x" (latest supported v3 schema). Compose-files that specify both major and minor version (e.g. "3.0" or "3.1") continue to use the existing behavior; validation is down- graded to the specified version and will produce an error if options are used that are not supported in that schema version. This allows users to locally verify that a composse-file does not use options that are not supported in the intended deployment environment (for example if the deploy environment only supports older versions of the schema). Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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thaJeztah
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Mar 1, 2022
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| var sampleConfig = types.Config{ | ||
| Version: "3.0", | ||
| Version: "3.10", |
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This was the config I forgot to update that made the test fail; all green now
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Let's get this one in 👍 |
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follow-up to #3257
Previously,
version: "3"was equivalent toversion: "3.0", whichcaused confusion for many users, as they expected it to be "3.x".
docker-compose and docker compose (v2) have adopted the compose-spec
(https://compose-spec.io), which no longer has a version field in
the compose file, and always picks the "latest" supported version.
This changes how
docker stackinterprets "major" version numbersspecified in compose-files:
When only the major version ("3") is specified, it is now equivalent
to "3.x" (latest supported v3 schema).
Compose-files that specify both major and minor version (e.g. "3.0"
or "3.1") continue to use the existing behavior; validation is down-
graded to the specified version and will produce an error if options
are used that are not supported in that schema version. This allows
users to locally verify that a composse-file does not use options
that are not supported in the intended deployment environment (for
example if the deploy environment only supports older versions of
the schema).
- Description for the changelog
- A picture of a cute animal (not mandatory but encouraged)