Process 15 shows as 'defunct' and shows as a zombie.
root@e53d5a805a79:/app/server# ps -ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 14:08 ? 00:00:00 /app/server/server
root 15 1 0 14:08 ? 00:00:00 [redis-server] <defunct>
root 17 1 2 14:08 ? 00:00:09 redis-server *:6379
root 21 1 0 14:08 ? 00:00:01 python3 /app/intelligencelayer/shared/detection.py
root 40 21 9 14:08 ? 00:00:35 python3 /app/intelligencelayer/shared/detection.py
root 59 0 0 14:14 pts/0 00:00:00 bash
root 67 59 0 14:15 pts/0 00:00:00 ps -ef
root@e53d5a805a79:/app/server#