chore: Refactor Dockerfile to fix ownership issue with /app directory

docker/supervisor.conf

@@ -24,8 +24,3 @@ redirect_stderr=true
 redirect_stdout=true
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
-
-[program:ping_redis]
-command=sleep 10 && redis-cli ping && echo "Redis is up" || echo "Redis is down"
-autostart=true
-autorestart=false