Added docker-compose file to build plantuml-server with a custom base url.

README.md

@@ -44,6 +44,15 @@ docker run -d -p 8080:8080 plantuml/plantuml-server:tomcat
 
 The server is now listing to [http://localhost:8080](http://localhost:8080).
 
+To run plantuml using different base url, change the `docker-compose.yml` file:
+~~~
+args:
+  BASE_URL: plantuml
+~~~
+
+And run `docker-compose up --build`. This will build a modified version of the image using
+the base url `/plantuml`, e.g. http://localhost/plantuml
+
 How to set PlantUML options
 =================================
 

docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3.3'
+
+services:
+  plantuml-server:
+    build:
+      context: .
+      dockerfile: Dockerfile.jetty
+      args:
+        BASE_URL: plantuml
+    image: plantuml/plantuml-server:local
+    container_name: plantuml-server
+    ports:
+      - 8080:8080