Cleaner mermaid

Readme.md

@@ -16,7 +16,22 @@ docker run --rm -it -v $PWD:/data dbeniamine/docker-compose-viz-mermaid -v -p -v
 
 Example image
 
-![example](example.png)
+```mermaid
+%%{init: {'theme': 'default'}}%%
+flowchart TB
+  VLabNbook{{$PWD}} x-. /var/www/labnbook .-x front
+  Vlabnbookdb([labnbook_db]) x-. /etc/mysql/conf.d .-x mariadb
+  VLabNbookdb{{$PWD/db}} x-. /var/lib/mysql .-x mariadb
+  front --> mariadb
+  labnbookmyadmin --> mariadb
+  P0((8000)) -.-> front
+  P1((8002)) -. 80 .-> labnbookmyadmin
+
+  classDef volumes fill:#fdfae4,stroke:#867a22
+  class VLabNbook,Vlabnbookdb,VLabNbookdb volumes
+  classDef ports fill:#f8f8f8,stroke:#ccc
+  class P0,P1 ports
+```
 
 
 ## Configuration