diff --git a/docs/modules/ROOT/nav.adoc b/docs/modules/ROOT/nav.adoc
new file mode 100644
index 000000000..057e94235
--- /dev/null
+++ b/docs/modules/ROOT/nav.adoc
@@ -0,0 +1,22 @@
+* xref:index.adoc[]
+* xref:spring-integration.adoc[]
+* xref:README.adoc[]
+* xref:_intro.adoc[]
+** xref:adapters/aws-intro.adoc[]
+** xref:adapters/aws.adoc[]
+** xref:adapters/azure-intro.adoc[]
+** xref:adapters/azure.adoc[]
+** xref:adapters/gcp-intro.adoc[]
+** xref:adapters/gcp.adoc[]
+* xref:functional.adoc[]
+* xref:getting-started.adoc[]
+* xref:sagan-index.adoc[]
+* xref:spring-cloud-function.adoc[]
+** xref:spring-cloud-function/introduction.adoc[]
+** xref:spring-cloud-function/getting-started.adoc[]
+** xref:spring-cloud-function/programming-model.adoc[]
+** xref:spring-cloud-function/standalone-web-applications.adoc[]
+** xref:spring-cloud-function/standalone-streaming-applications.adoc[]
+** xref:spring-cloud-function/deploying-a-packaged.adoc[]
+** xref:spring-cloud-function/functional-bean-definitions.adoc[]
+** xref:spring-cloud-function/serverless-platform-adapters.adoc[]