diff --git a/build.gradle.kts b/build.gradle.kts
index 9898e8f..b37b56f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -62,6 +62,7 @@ subprojects {
     extra.apply {
         set("creekBaseVersion", "0.2.0-SNAPSHOT")
         set("creekTestVersion", "0.2.0-SNAPSHOT")
+        set("creekObsVersion", "0.2.0-SNAPSHOT")
         set("spotBugsVersion", "4.6.0")         // https://mvnrepository.com/artifact/com.github.spotbugs/spotbugs-annotations
 
         set("log4jVersion", "2.19.0")           // https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core
diff --git a/resource/build.gradle.kts b/resource/build.gradle.kts
index fd39481..bfc3859 100644
--- a/resource/build.gradle.kts
+++ b/resource/build.gradle.kts
@@ -3,8 +3,10 @@ plugins {
 }
 
 val creekBaseVersion : String by extra
+val creekObsVersion : String by extra
 
 dependencies {
     api(project(":metadata"))
     implementation("org.creekservice:creek-base-type:$creekBaseVersion")
+    implementation("org.creekservice:creek-observability-logging:$creekObsVersion")
 }
diff --git a/resource/src/main/java/module-info.java b/resource/src/main/java/module-info.java
index 14ae20c..6a90ff9 100644
--- a/resource/src/main/java/module-info.java
+++ b/resource/src/main/java/module-info.java
@@ -1,6 +1,7 @@
 module creek.platform.resource {
     requires transitive creek.platform.metadata;
     requires creek.base.type;
+    requires creek.observability.logging;
 
     exports org.creekservice.api.platform.resource;
 }
diff --git a/resource/src/main/java/org/creekservice/api/platform/resource/ResourceInitializer.java b/resource/src/main/java/org/creekservice/api/platform/resource/ResourceInitializer.java
index daed4de..8807fd1 100644
--- a/resource/src/main/java/org/creekservice/api/platform/resource/ResourceInitializer.java
+++ b/resource/src/main/java/org/creekservice/api/platform/resource/ResourceInitializer.java
@@ -33,6 +33,8 @@
 import java.util.stream.Stream;
 import org.creekservice.api.base.annotation.VisibleForTesting;
 import org.creekservice.api.base.type.CodeLocation;
+import org.creekservice.api.observability.logging.structured.StructuredLogger;
+import org.creekservice.api.observability.logging.structured.StructuredLoggerFactory;
 import org.creekservice.api.platform.metadata.ComponentDescriptor;
 import org.creekservice.api.platform.metadata.ResourceDescriptor;
 import org.creekservice.api.platform.metadata.ResourceHandler;
@@ -52,6 +54,9 @@
  */
 public final class ResourceInitializer {
 
+    private static final StructuredLogger LOGGER =
+            StructuredLoggerFactory.internalLogger(ResourceInitializer.class);
+
     private final ResourceHandlers handlers;
     private final ComponentValidator componentValidator;
 
@@ -86,6 +91,10 @@ public static ResourceInitializer resourceInitializer(final ResourceHandlers han
      * @param components components to search for resources.
      */
     public void init(final Collection<? extends ComponentDescriptor> components) {
+        LOGGER.debug(
+                "Initializing resources",
+                log -> log.with("stage", "init").with("components", componentNames(components)));
+
         ensureResources(
                 groupById(
                         components,
@@ -101,6 +110,10 @@ public void init(final Collection<? extends ComponentDescriptor> components) {
      * @param components components to search for resources.
      */
     public void service(final Collection<? extends ComponentDescriptor> components) {
+        LOGGER.debug(
+                "Initializing resources",
+                log -> log.with("stage", "service").with("components", componentNames(components)));
+
         ensureResources(
                 groupById(
                         components,
@@ -122,6 +135,13 @@ public void test(
             final Collection<? extends ComponentDescriptor> componentsUnderTest,
             final Collection<? extends ComponentDescriptor> otherComponents) {
 
+        LOGGER.debug(
+                "Initializing resources",
+                log ->
+                        log.with("stage", "test")
+                                .with("components_under_test", componentNames(componentsUnderTest))
+                                .with("other_components", componentNames(otherComponents)));
+
         final Map<URI, List<ResourceDescriptor>> unowned =
                 groupById(
                                 componentsUnderTest,
@@ -221,6 +241,11 @@ private static String formatResource(final ResourceDescriptor descriptor) {
         return "(" + CodeLocation.codeLocation(descriptor) + ") " + descriptor;
     }
 
+    private static List<String> componentNames(
+            final Collection<? extends ComponentDescriptor> components) {
+        return components.stream().map(ComponentDescriptor::name).collect(Collectors.toList());
+    }
+
     private static class ResourceDescriptorMismatchException extends RuntimeException {
         ResourceDescriptorMismatchException(
                 final String msg, final List<? extends ResourceDescriptor> descriptors) {