Allow configuring the local port to bind to in the Docker compose file.

Author: mattam82

compose.yml

@@ -6,7 +6,7 @@ services:
       args:
         - GIT_COMMIT=${GIT_COMMIT}
     ports:
-      - "127.0.0.1:8000:8080"
+      - "127.0.0.1:${LOCAL_PORT}:8080"
     volumes:
       - type: bind
         source: ${DOC_PATH}