Docker

[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/76?closed=1)

Features
- Add `cap_add` and `cap_drop` parameters to service create and ContainerSpec
- Add `templating` parameter to config create

Bugfixes
- Fix getting a read timeout for logs/attach with a tty and slow output

Miscellaneous
- Fix documentation examples

[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/75?closed=1)

Bugfixes
- Fix `disable_buffering` regression

[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/74?closed=1)

Bugfixes
- Bring back support for ssh identity file
- Cleanup remaining python-2 dependencies
- Fix image save example in docs

Miscellaneous
- Bump urllib3 to 1.26.5
- Bump requests to 2.26.0

[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/70?closed=1)

Breaking changes
- Remove support for Python 2.7
- Make Python 3.6 the minimum version supported

Features
- Add `limit` parameter to image search endpoint

Bugfixes
- Fix `KeyError` exception on secret create
- Verify TLS keys loaded from docker contexts
- Update PORT_SPEC regex to allow square brackets for IPv6 addresses
- Fix containers and images documentation examples

> Warning
> This is the last release with support for Python 2.7 and 3.5

[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/73?closed=1)

Bugfixes
- Remove `LD_LIBRARY_PATH` and `SSL_CERT_FILE` environment variables when shelling out to the ssh client

[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/72?closed=1)

Features
- Add support for docker.types.Placement.MaxReplicas

Bugfixes
- Fix SSH port parsing when shelling out to the ssh client