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docs: Update getting_started.md to emphasize the usage of http/2 #21313

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4 changes: 3 additions & 1 deletion docs/getting_started.md
Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,9 @@ Also available in Mac, Linux and WSL Homebrew:
```bash
brew install argocd
```

!!! note
To ensure proper functionality, the Argo CD CLI requires HTTP/2 support. Verify that your CLI is set up to use HTTP/2, especially if connecting to an Argo CD server over HTTPS. Check your system’s configuration or proxy settings if issues arise.
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Suggested change
To ensure proper functionality, the Argo CD CLI requires HTTP/2 support. Verify that your CLI is set up to use HTTP/2, especially if connecting to an Argo CD server over HTTPS. Check your system’s configuration or proxy settings if issues arise.
To ensure proper functionality, the Argo CD CLI requires HTTP/2 support. Verify that your CLI is set up to use HTTP/2, especially if connecting to an Argo CD server over HTTPS. Check your system’s configuration or proxy settings if issues arise.
  1. Why do we need to emphasize on usage of http/2 here?
  2. Can you add steps that would be required for verification if CLI I set up to use the HTTP/2?
  3. Which issue can occur if you just normally install the Argo CD CLI and use it against the Argo CD server over HTTPS?

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This issue is related to #20715.
When the user tried to follow the getting started guide, argocli login kept timing out up until enabling HTTP2.

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that your CLI is set up to use HTTP/2

This is a little confusing to me. You point out that the cli uses http/2 by default. I think we should say that the gateway / ingress controller should be configured to use http/2?


## 3. Access The Argo CD API Server

By default, the Argo CD API server is not exposed with an external IP. To access the API server,
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