Hands-On Microservices with Kotlin

Getting logs from a service

If we want to get the logs for our instances, we can use the following command:

docker service logs hello-service

Or if we want to follow the log, like a tail command will, we can do the following instead:

docker service logs -f hello-service

Either way, in our logs, we will see something like:

hello-service.3.sqmo44zoaqnc@moby ...hello-service.2.enhf89re1kz9@moby ...hello-service.2.enhf89re1kz9@moby ...hello-service.1.suqe3o61n38e@moby ...hello-service.2.enhf89re1kz9@moby ...hello-service.2.enhf89re1kz9@moby ...hello-service.2.enhf89re1kz9@moby ...hello-service.2.enhf89re1kz9@moby ...hello-service.2.enhf89re1kz9@moby ...

The beginning of each log line indicates the instance where it is coming from. That first ...