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[Doc] Add example Env var usage for hosts setting #992

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[Doc] Add example Env var usage for hosts setting #992

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6a77182
Add example under hosts setting
roaksoax Feb 16, 2021
892a26b
Update index.asciidoc
roaksoax Feb 16, 2021
acb3e23
Update index.asciidoc
roaksoax Feb 16, 2021
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Update index.asciidoc
roaksoax Feb 18, 2021
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Update index.asciidoc
roaksoax Feb 18, 2021
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Update docs/index.asciidoc
roaksoax Sep 26, 2022
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7 changes: 7 additions & 0 deletions docs/index.asciidoc
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Expand Up @@ -523,6 +523,13 @@ should reference only data or client nodes in Elasticsearch.
Any special characters present in the URLs here MUST be URL escaped! This means
`#` should be put in as `%23` for instance.

When using Logstash 7.9+, this setting supports defining an environment variable
`hosts => '${ES_HOSTS:}' with multiple {logstash-ref}/plugin-concepts.html[whitespace-delimited URIs], e.g.:

```
ES_HOSTS="es1.example.com es2.example.com:9201 es3.example.com:9201"
```

[id="plugins-{type}s-{plugin}-http_compression"]
===== `http_compression`

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