[Release] Update docs for release v0.4.0

[kevin85421]

Why are these changes needed?

• https://github.com/ray-project/kuberay/blob/master/docs/deploy/docker.md
• https://github.com/ray-project/kuberay/blob/master/docs/guidance/ingress.md
  • @sihanwang41 will help verify the parts related to NGINX.
  • I will verify ALB support. => We decide not to verify this document now to avoid conflicts with Ray's release. An user in slack channel said that "Anyone have implemented the ray-cluster in EKS with ALB successfully? I have created the ingress with below ingress.yaml. The Dashboard(port 8265) is working fine and the TargetGroup is healthy." (Link)
• https://github.com/ray-project/kuberay/blob/master/docs/deploy/installation.md
• https://github.com/ray-project/kuberay/blob/master/docs/development/development.md
• https://github.com/ray-project/kuberay/blob/master/helm-chart/ray-cluster/README.md
• https://github.com/ray-project/kuberay/blob/master/helm-chart/kuberay-operator/README.md

Related issue number

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • This PR is not tested :(

[kevin85421]

@scarlet25151 would you mind writing a development guide for APIServer and adding the guide to development.md#develop-kuberay-apiserver? If you are busy, we can create an issue to track the progress. Thank you!

[scarlet25151]

@scarlet25151 would you mind writing a development guide for APIServer and adding the guide to development.md#develop-kuberay-apiserver? If you are busy, we can create an issue to track the progress. Thank you!

Hi @kevin85421 thank you for your suggestions, here we've added the DEVELOPMENT.md docs for apiserver in https://github.com/ray-project/kuberay/pull/778/files#diff-f2d8dab7dc054250560f0413fa948a52fd11928ed08923a0c9a239d0837bae00, and we may combine them together?

[kevin85421]

Thank @scarlet25151! I have added the link to development.md.

[kevin85421]

@DmitriGekhtman I did not have any context related to ArgoCD. What's the priority of reviewing kuberay-operator/README.md#working-with-argo-cd? Thank you!

[DmitriGekhtman]

@DmitriGekhtman I did not have any context related to ArgoCD. What's the priority of reviewing kuberay-operator/README.md#working-with-argo-cd? Thank you!

I wouldn't worry about it. If we get questions about this, we can ping the author.

[DmitriGekhtman]

Looks great to me, thanks!