mmelko commented on a change in pull request #1861:
URL: https://github.com/apache/camel-k/pull/1861#discussion_r625705337
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File path: docs/modules/traits/pages/pod.adoc
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@@ -0,0 +1,83 @@
+= Pod Trait
+
+// Start of autogenerated code - DO NOT EDIT! (description)
+ The pod trait allows the customization of the Integration pods.
+ It applies the `PodSpecTemplate` struct contained in the Integration
`.spec.podTemplate` field, into the Integration deployment Pods template, using
strategic merge patch.
+
+ This can be used to customize the container where Camel routes execute, by
using the `integration` container name.
+
+
+This trait is available in the following profiles: **Kubernetes, Knative,
OpenShift**.
+
+// End of autogenerated code - DO NOT EDIT! (description)
+== Example
+We have an integration that will read files from defined folder:
+[source,groovy]
+----
+from('file:///var/log')
+ .convertBodyTo(String.class)
+ .setBody().simple('${body}: {{TEST_VARIABLE}} ')
+ .log('${body}')
+
+----
+The content of the folder might be autogenerated by bash script using a
sidecar container. The pod template could be defined as follows:
+
+[source,yaml]
+----
+containers:
+ - name: integration
Review comment:
1. TEST_VARIABLE=abc will be overwritten by values from the template,
due to changes from the template are actually applied by pod trait in later
stages.
2. I've tried to add there command from the example: `command: [ "/bin/sh" ,
"-c", "while true; do echo $(date -u) 'Content from the sidecar altered
container' > /var/log/file.txt; sleep 1;done" ]` and nothing really happened.
Command hasn't been overwritten due to `jvm` trait is executed after the `pod`
trait.
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