Change current directory

only clicking entrypoint.sh is not working without changing directory on mac environment (I don't know this code is needed for linux).
before running this script, we need to change directory (e.g. cd) in advance.
this change allows you to start up artemis without changing directory.

entrypoint.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+cd "$(dirname "$0")"
 
 if [[ -z "${CFG_DEV}" ]]; then
     echo Production mode