dockerfile and compose changes (#737)

* dockerfile and compose changes

* adjusted link

docker-compose.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 services:
   webgoat:
@@ -6,13 +6,17 @@ services:
     environment:
       - WEBWOLF_HOST=webwolf
       - WEBWOLF_PORT=9090
+      - TZ=Europe/Amsterdam
     ports:
       - "8080:8080"
       - "9001:9001"
     volumes:
       - .:/home/webgoat/.webgoat
+    working_dir: /home/webgoat
   webwolf:
     image: webgoat/webwolf
     ports:
       - "9090:9090"
-    command: --spring.datasource.url=jdbc:hsqldb:hsql://webgoat:9001/webgoat --server.address=0.0.0.0
+    command: --spring.datasource.url=jdbc:hsqldb:hsql://webgoat:9001/webgoat --server.address=0.0.0.0
+    depends_on:
+            - webgoat