[Feature request] Remove dependency on docker client

[runlevel5]

From my understanding in order to perform authentication, the action utilises the docker client to perform docker login. Which is fine. However this dependency will make this plugin incompatible with environment that does not ship docker client (or users could not install any software). IMHO the action should take advantage of the HTTP API endpoint to perform this task instead.

One example I run into is that I run gitub action runners on AWS Lambda & ECS & ECS Fargate environment which lacks the docker CLI. The error output I got is:

Error: Unable to locate executable file: docker. Please verify either the file path exists or the file can be found within a directory specified by the PATH environment variable. Also check the file mode to verify the file is executable.

[szhekpisov]

Same here, have a version v2.

[runlevel5]

I am more than happy to offer a Pull Request if the team approves this proposal

[gricey432]

I think this would also solve #434 ?

[runlevel5]

I think this would also solve https://github.com/aws-actions/amazon-ecr-login/issues/434 ?

Yes it would