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Merge pull request #4796 from thaJeztah/deprecate_old_api_versions 

deprecate old API versions (1.23 and lower)
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Sebastiaan van Stijn 2024-01-16 19:42:14 +01:00 committed by GitHub
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@ -50,6 +50,7 @@ The table below provides an overview of the current status of deprecated feature
| Status | Feature | Deprecated | Remove |
|------------|------------------------------------------------------------------------------------------------------------------------------------|------------|--------|
| Deprecated | [Deprecate legacy API versions](#deprecate-legacy-api-versions) | v25.0 | v26.0 |
| Deprecated | [Container short ID in network Aliases field](#container-short-id-in-network-aliases-field) | v25.0 | v26.0 |
| Deprecated | [IsAutomated field, and "is-automated" filter on docker search](#isautomated-field-and-is-automated-filter-on-docker-search) | v25.0 | v26.0 |
| Removed | [logentries logging driver](#logentries-logging-driver) | v24.0 | v25.0 |
@ -109,6 +110,59 @@ The table below provides an overview of the current status of deprecated feature
| Removed | [`--run` flag on `docker commit`](#--run-flag-on-docker-commit) | v0.10 | v1.13 |
| Removed | [Three arguments form in `docker import`](#three-arguments-form-in-docker-import) | v0.6.7 | v1.12 |
### Deprecate legacy API versions
**Deprecated in Release: v25.0**
**Target For Removal In Release: v26.0**
The Docker daemon provides a versioned API for backward compatibility with old
clients. Docker clients can perform API-version negotiation to select the most
recent API version supported by the daemon (downgrading to and older version of
the API when necessary). API version negotiation was introduced in Docker v1.12.0
(API 1.24), and clients before that used a fixed API version.
Docker Engine versions through v25.0 provide support for all [API versions](https://docs.docker.com/engine/api/#api-version-matrix)
included in stable releases for a given platform. For Docker daemons on Linux,
the earliest supported API version is 1.12 (corresponding with Docker Engine
v1.0.0), whereas for Docker daemons on Windows, the earliest supported API
version is 1.24 (corresponding with Docker Engine v1.12.0).
Support for legacy API versions (providing old API versions on current versions
of the Docker Engine) is primarily intended to provide compatibility with recent,
but still supported versions of the client, which is a common scenario (the Docker
daemon may be updated to the latest release, but not all clients may be up-to-date
or vice versa). Support for API versions before that (API versions provided by
EOL versions of the Docker Daemon) is provided on a "best effort" basis.
Use of old API versions is very rare, and support for legacy API versions
involves significant complexity (Docker 1.0.0 having been released 10 years ago).
Because of this, we'll start deprecating support for legacy API versions.
Docker Engine v25.0 by default disables API version older than 1.24 (aligning
the minimum supported API version between Linux and Windows daemons). When
connecting with a client that uses an API version version older than 1.24,
the daemon returns an error. The following example configures the docker
CLI to use API version 1.23, which produces an error:
```console
DOCKER_API_VERSION=1.23 docker version
Error response from daemon: client version 1.23 is too old. Minimum supported API version is 1.24, please upgrade your client to a newer version
```
An environment variable (`DOCKER_MIN_API_VERSION`) is introduced that allows
re-enabling older API versions in the daemon. This environment variable must
be set in the daemon's environment (for example, through a [systemd override
file](https://docs.docker.com/config/daemon/systemd/)), and the specified
API version must be supported by the daemon (`1.12` or higher on Linux, or
`1.24` or higher on Windows).
Support for API versions lower than `1.24` will be permanently removed in Docker
Engine v26, and the minimum supported API version will be incrementally raised
in releases following that.
We do not recommend depending on the `DOCKER_MIN_API_VERSION` environment
variable other than for exceptional cases where it's not possible to update
old clients, and those clients must be supported.
### Container short ID in network Aliases field