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docs: Update parameters.md #4725

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Nov 2, 2020
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docs: Update parameters.md #4725

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8 changes: 4 additions & 4 deletions docs/user-guide/parameters.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,15 +15,15 @@ changes to the manifests in Git.
To use parameter overrides, run the `argocd app set -p (COMPONENT=)PARAM=VALUE` command:

```bash
argocd app set guestbook -p guestbook=image=example/guestbook:abcd123
argocd app set guestbook -p image=example/guestbook:abcd123
argocd app sync guestbook
```

The `PARAM` is expected to be a normal YAML path

```bash
argocd app set guestbook -p guestbook=ingress.enabled=true
argocd app set guestbook -p guestbook=ingress.hosts[0]=guestbook.myclusterurl
argocd app set guestbook -p ingress.enabled=true
argocd app set guestbook -p ingress.hosts[0]=guestbook.myclusterurl
```

The following are situations where parameter overrides would be useful:
Expand All @@ -34,7 +34,7 @@ case, the application would expose a parameter named `image`, whose value used i
environment contains a placeholder value (e.g. `example/guestbook:replaceme`). The placeholder value
would be determined externally (outside of Git) such as a build system. Then, as part of the build
pipeline, the parameter value of the `image` would be continually updated to the freshly built image
(e.g. `argocd app set guestbook -p guestbook=image=example/guestbook:abcd123`). A sync operation
(e.g. `argocd app set guestbook -p image=example/guestbook:abcd123`). A sync operation
would result in the application being redeployed with the new image.

2. A repository of Helm manifests is already publicly available (e.g. https://github.com/helm/charts).
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