Pipe docker logs -f into jq
Try adding --unbuffered --stream so your command becomes
docker logs -f container_id 2>&1 | jq --unbuffered --stream '.'
It seems many other people have had a similar problem. Here are some bug reports on jq about this topic
- https://github.com/stedolan/jq/issues/477
- https://github.com/stedolan/jq/issues/1530