docker style can't start up

[xuchao1129]

docker service video/audio/streaming/webrtc reports error msg during booting up.
error msg looks as following :

2019-03-03 10:48:54.498 - ERROR: ErizoAgent - failed to launch worker [email protected]_0 error: {"code":"ENOENT","errno":"ENOENT","syscall":"spawn ./node","path":"./node","spawnargs":["./erizoJS.js","[email protected]_0","video","[]","172.19.0.10","[email protected]"]}
video_1 | 2019-03-03 10:48:54.498 - ERROR: ErizoAgent - failed to launch worker [email protected]_1 error: {"code":"ENOENT","errno":"ENOENT","syscall":"spawn ./node","path":"./node","spawnargs":["./erizoJS.js","[email protected]_1","video","[]","172.19.0.10","[email protected]"]}
video_1 | 2019-03-03 10:48:54.499 - INFO: ErizoAgent - Node [email protected]_0 is closed on unexpected code: -2
video_1 | 2019-03-03 10:48:54.499 - INFO: ErizoAgent - Node [email protected]_1 is closed on unexpected code: -2

[thmatuza]

I was testing with 4.1 only.
I noticed this one was added on daemon.sh in 4.1.1.
export NODE_DEBUG_ERIZO=1
I just added it on startup script(entrypoint.sh) and it works now.