Support HTTP basicAuth for docker and swarm endpoint

[985492783]

What does this PR do?

1. Add docker and swarm BasicAuth

Motivation

To fix #10757 to support HTTP BasicAuth for docker and swarm.

More

• Added/updated tests
• Added/updated documentation

Additional Notes

[nmengin]

Hello @985492783,

Thank you for this contribution.
We've set the design-review label to check is we agree with the implementation before reviewing it.

We'll update the label as soon as we check it.

[jspdown]

Thanks @985492783 for opening this PR.

I think that what you've done is the right approach to providing BasicAuth on this provider.

Initially I thought that maybe we could directly put the username/password in the endpoint field. But after more consideration I think it would bring some confusion, especially for the tcp scheme.

Although, to simplify the use of this feature, I think it would be best to have 2 configuration fields instead of basicAuth:

• username
• password

[985492783]

Thanks @985492783 for opening this PR.

I think that what you've done is the right approach to providing BasicAuth on this provider.

Initially I thought that maybe we could directly put the username/password in the endpoint field. But after more consideration I think it would bring some confusion, especially for the tcp scheme.

Although, to simplify the use of this feature, I think it would be best to have 2 configuration fields instead of basicAuth:

• username
• password

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