Add analyzed span and ignore resource examples (#1)

* Adds examples and tweaks wording for apm ignore and trace settings * Makes language more terse in examples
DataDog · Mar 4, 2019 · 9e5065f · 9e5065f
1 parent a83c902
commit 9e5065f
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/content/en/agent/docker/apm.md b/content/en/agent/docker/apm.md
@@ -53,12 +53,14 @@ List of all environment variables available for tracing with the Docker Agent:
 | `DD_APM_DD_URL`            | Datadog API endpoint where traces are sent. For Datadog EU site set `DD_APM_DD_URL` to `https://trace.agent.datadoghq.eu` |
 | `DD_APM_RECEIVER_PORT`     | Port that the Datadog Agent's trace receiver listens on. Default value is `8126`.                                          |
 | `DD_APM_NON_LOCAL_TRAFFIC` | Allow non-local traffic when [tracing from other containers](#tracing-from-other-containers).                             |
-| `DD_APM_IGNORE_RESOURCES`   | A comma-separated list of endpoints and resources that the Agent should ignore (i.e. health checks endpoints).            |
-| `DD_APM_ANALYZED_SPANS`    | Configure the spans to analyze for transactions.                                                                          |
+| `DD_APM_IGNORE_RESOURCES`  | Configure resources for the agent to ignore. Format should be comma seperated\* regular expressions. Example: `"GET /ignore-me,(GET|POST) /and-also-me"` |
+| `DD_APM_ANALYZED_SPANS`    | Configure the spans to analyze for transactions. Format should be comma seperated\* instances of `<service-name>|<span-name>=1` |
 | `DD_APM_ENV`               | Sets the default [environment][2] for your traces.                                                                        |
 | `DD_APM_MAX_EPS`           | Sets the maximum APM events per second.                                                                                   |
 | `DD_APM_MAX_TPS`           | Sets the maximum traces per second.                                                                                       |
 
+**\****No additional characters such as spaces or newlines are allowed between commas*
+
 ## Tracing from other containers
 
 As with DogStatsD, traces can be submitted to the Agent from other containers either using [Docker networks](#docker-network) or with the [Docker host IP](#host-ip).