diff --git a/Dockerfile.documentation b/Dockerfile.documentation
index 6ed15b2..59ee318 100644
--- a/Dockerfile.documentation
+++ b/Dockerfile.documentation
@@ -16,3 +16,6 @@
 # Install Documentation Tools
 RUN apt-get install -y doxygen graphviz plantuml
 
+# Install a C++ Compiler for cmake to detect
+RUN apt-get install -y g++
+

diff --git a/Dockerfile.documentation b/Dockerfile.documentation
index 6ed15b2..59ee318 100644
--- a/Dockerfile.documentation
+++ b/Dockerfile.documentation
@@ -16,3 +16,6 @@
 # Install Documentation Tools
 RUN apt-get install -y doxygen graphviz plantuml
 
+# Install a C++ Compiler for cmake to detect
+RUN apt-get install -y g++
+
diff --git a/README.md b/README.md
index 05a5b7d..2c9ea0a 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,11 @@
 
   - using docker-compose, we can start a set of services
 
-  - currently this is cockpit-ws
+  - currently this is cockpit-ws and portainer
+
+  - docker-compose can be run with a command such as:
+     'up', 'ps' and 'logs'
+    The -d option is to run in the backgroun.
 
 
 Requirements: