Update docker-compose.yml

- Fix notes section to ref to correct home dir within pack based images
- Fixes #4618

Author: jvalkeal

src/docker-compose/docker-compose.yml

@@ -6,7 +6,7 @@ version: '3'
 # - HOST_MOUNT_PATH and DOCKER_MOUNT_PATH are used to set the host and docker mount folders.
 #   If not set HOST_MOUNT_PATH defaults to the local host folder where the docker compose is being started.
 #   If not set DOCKER_MOUNT_PATH defaults to /home/cnb/scdf on dataflow-server and skipper containers.
-#   Example to mount the local Maven repository: HOST_MOUNT_PATH=~/.m2/repository/ DOCKER_MOUNT_PATH=/root/.m2  docker-compose up
+#   Example to mount the local Maven repository: HOST_MOUNT_PATH=~/.m2 DOCKER_MOUNT_PATH=/home/cnb/.m2  docker-compose up
 # - APPS_PORT_RANGE allows you to override the port range exported by the Skipper server. By default the APPS_PORT_RANGE
 #   must supersede the local deployer's PORTRANGE_LOW and PORTRANGE_HIGH - the ports assigned to the stream apps run inside the Skipper container.
 #   The stream apps tha run in their own docker containers must set [DOCKER_PORTRANGE_LOW, DOCKER_PORTRANGE_HIGH] range that