diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 1b244b3..473f65d 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -1,5 +1,7 @@
 # Summary
 
+- [Architecture]()
+  - [Overview](./architecture/overview.md)
 - [Jenkins Pipeline]()
   - [Pipeline setup](./jenkins-pipeline/setup.md)
   - [Pipeline template](./jenkins-pipeline/template.md)
diff --git a/src/architecture/overview.md b/src/architecture/overview.md
new file mode 100644
index 0000000..2aa6334
--- /dev/null
+++ b/src/architecture/overview.md
@@ -0,0 +1,15 @@
+# Overview
+
+## TL;DR
+
+![Overview](../public/diag-high-level-overview.png)
+
+## Something else
+
+<style>
+    img {
+        /* position: absolute; */
+        min-width: 67.5vw;
+        /* height: 67.5vh; */
+    }
+</style>
diff --git a/src/public/diag-high-level-overview.png b/src/public/diag-high-level-overview.png
new file mode 100644
index 0000000..6bd451a
Binary files /dev/null and b/src/public/diag-high-level-overview.png differ