diff --git a/content/en/docs/project/onboarding/_index.md b/content/en/docs/project/onboarding/_index.md
index d08ee3f..5525015 100644
--- a/content/en/docs/project/onboarding/_index.md
+++ b/content/en/docs/project/onboarding/_index.md
@@ -3,17 +3,37 @@ title: Onboarding [WiP]
 weight: 1
 ---
 
-You are new to DeveloperFramework subproject? You want to know about the context of 'Platfrom Engineering' and why we think it is the material we need to create the IPCEI-CIS Developer Framework? 
+
+
+
+{{% blocks/lead color="dark" %}}
+You are new to IPCEI-CIS subproject 'DeveloperFramework' ? 
+
+You want to know about the context of 'Platform Engineering' and \
+why we think it's the stuff we need to create the DeveloperFramework? 
+
 So please feel free to read this Onboarding guide!
+{{% /blocks/lead %}}
+
+## Project context
 
 ## Platforms
 
+{{% pageinfo color="info" %}}
+Since 2010 we have DevOps. This brings increasing delivery speed and efficiency at scale. 
+Next we got high cognitive loads for developers. 
+So we need on top of DevOps an instrumentation to ensure and enforce speed, quality, security in modern, cloud native software development.
+{{% /pageinfo %}}
+
+
 ## History
 
 https://platformengineering.org/blog/the-story-of-platform-engineering
 
 ![alt text](image-1.png)
 
+https://martinfowler.com/articles/talk-about-platforms.html
+
 https://developers.redhat.com/articles/2024/05/06/what-platform-engineering-and-why-do-we-need-it#why_we_need_platform_engineering
 
 https://orkohunter.net/blog/a-brief-history-of-platform-engineering
diff --git a/content/en/docs/project/onboarding/assets/context.puml b/content/en/docs/project/onboarding/assets/context.puml
new file mode 100644
index 0000000..f8e24ef
--- /dev/null
+++ b/content/en/docs/project/onboarding/assets/context.puml
@@ -0,0 +1,16 @@
+@startuml
+!include https://raw.githubusercontent.com/plantuml-stdlib/C4-PlantUML/master/C4_Dynamic.puml
+
+LAYOUT_WITH_LEGEND()
+
+ContainerDb(c4, "Database", "Relational Database Schema", "Stores user registration information, hashed authentication credentials, access logs, etc.")
+Container(c1, "Single-Page Application", "JavaScript and Angular", "Provides all of the Internet banking functionality to customers via their web browser.")
+Container_Boundary(b, "API Application") {
+  Component(c3, "Security Component", "Spring Bean", "Provides functionality Related to signing in, changing passwords, etc.")
+  Component(c2, "Sign In Controller", "Spring MVC Rest Controller", "Allows users to sign in to the Internet Banking System.")
+}
+Rel_R(c1, c2, "Submits credentials to", "JSON/HTTPS")
+Rel(c2, c3, "Calls isAuthenticated() on")
+Rel_R(c3, c4, "select * from users where username = ?", "JDBC")
+@enduml
+
diff --git a/hugo.toml b/hugo.toml
index a422160..29044f7 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -161,4 +161,17 @@ enable = false
 version = "10.9.0"
 
 [params.markmap]
-enable = true
\ No newline at end of file
+enable = true
+
+[params.plantuml]
+enable = true
+theme = "default"
+
+# Set url to plantuml server
+# default is http://www.plantuml.com/plantuml/svg/
+svg_image_url = "https://www.plantuml.com/plantuml/svg/"
+
+# By default the plantuml implementation uses <img /> tags to display UML diagrams.
+# When svg is set to true, diagrams are displayed using <svg /> tags, maintaining functionality like links e.g.
+# default = false
+svg = true
\ No newline at end of file