Update compose file and use local timezone in container.

docker-compose.yml

@@ -1,15 +1,17 @@
 services:
   build:
-    image: hugomods/hugo:latest
+    image: hugomods/hugo:ci
     command: hugo 
     volumes:
       - ".:/src"
     user: 1000:1000
   server:
-    image: hugomods/hugo:latest
+    image: hugomods/hugo:ci
     command: server --buildDrafts --buildFuture
     volumes:
       - ".:/src"
     ports:
       - "127.0.0.1:1313:1313"
     user: 1000:1000
+    environment:
+      - TZ=Europe/Berlin