Add nano

Dockerfile

@@ -6,7 +6,8 @@ ENV PYTHONUNBUFFERED=1
 # Install Additional System Dependencies
 RUN apt-get update && apt-get upgrade -y
 RUN apt-get install -y \
-    libgl1 
+    libgl1 \
+    nano
 
 # Clear cache
 RUN apt-get autoremove