diff --git a/modules/core/src/main/scala/pillars/Observability.scala b/modules/core/src/main/scala/pillars/Observability.scala
index 7ca99d67d..00b070529 100644
--- a/modules/core/src/main/scala/pillars/Observability.scala
+++ b/modules/core/src/main/scala/pillars/Observability.scala
@@ -56,7 +56,7 @@ object Observability:
                                                   OtelAttributes(
                                                     appInfo.name.toAttribute("service.name"),
                                                     appInfo.version.toAttribute("service.version")
-                                                  )
+                                                  ) ++ config.getCustomAttributes
                                                 )
                                             resource.mergeUnsafe(configured)
                 sdk           = otel4s.sdk
@@ -74,9 +74,12 @@ object Observability:
         enabled: Boolean = false,
         metrics: Config.Metrics = Config.Metrics(),
         traces: Config.Traces = Config.Traces(),
-        serviceName: ServiceName = ServiceName("pillars")
+        serviceName: ServiceName = ServiceName("pillars"),
+        customAttributes: Map[String, String] = Map.empty
     ) extends pillars.Config:
         def isEnabled: Boolean = enabled && (metrics.enabled || traces.enabled)
+
+        def getCustomAttributes: Seq[Attribute[String]] = customAttributes.map((k, v) => v.toAttribute(k)).toSeq
     end Config
 
     object Config:
diff --git a/modules/docs/src/docs/user-guide/20_features/50_observability.adoc b/modules/docs/src/docs/user-guide/20_features/50_observability.adoc
index 39aebb4d2..d249a45a4 100644
--- a/modules/docs/src/docs/user-guide/20_features/50_observability.adoc
+++ b/modules/docs/src/docs/user-guide/20_features/50_observability.adoc
@@ -24,6 +24,19 @@ You can configure the following settings in the `application.conf` file:
 include::{projectRootDir}/modules/example/src/main/resources/config.yaml[tag=observability]
 ----
 
+=== Global attributes
+
+By default, the following attributes are added to all metrics & traces:
+
+[cols="1,1,1"]
+|===
+| Attribute | Description | Type
+
+| `service.name` | The service name coming from AppInfo | String
+| `service.version` | The service version also coming from AppInfo | String
+|===
+
+With the config `custom-attributes` you can add custom attributes to all metrics & traces
 
 === Metrics
 
diff --git a/modules/example/src/main/resources/config.yaml b/modules/example/src/main/resources/config.yaml
index 0f49d105a..5bca9fe6f 100644
--- a/modules/example/src/main/resources/config.yaml
+++ b/modules/example/src/main/resources/config.yaml
@@ -77,6 +77,8 @@ admin:
 observability:
   enabled: true
   service-name: bookstore
+  custom-attributes:
+    datacenter: ${DATACENTER}
   metrics:
     enabled: true
   traces: