improve supervisor services logging

Author: fqjony

etc/configs/supervisor/program.conf

@@ -7,12 +7,10 @@ startretries=${startretries}
 startsecs=1          # Consider process started if it runs for at least 1 second
 
 # Logging settings
-stdout_logfile=/var/log/supervisor/${process_name}.out.log
-stdout_logfile_maxbytes=50MB
-stdout_logfile_backups=10
-stderr_logfile=/var/log/supervisor/${process_name}.err.log
-stderr_logfile_maxbytes=50MB
-stderr_logfile_backups=10
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/fd/2  
+stderr_logfile_maxbytes=0
 
 # Environment
 environment=${envs}