What is docker service(create,ls,logs) in docker swarm by Raj Gupta

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after running below command on Master it will create a container on Worker01(172.31.88.27) then  it will start pining to it

[root@ip-172-31-83-166 ~]# docker container run -it alpine ping 172.31.88.27
Unable to find image 'alpine:latest' locally
latest: Pulling from library/alpine
9d48c3bd43c5: Pull complete
Digest: sha256:72c42ed48c3a2db31b7dafe17d275b634664a708d901ec9fd57b1529280f01fb
Status: Downloaded newer image for alpine:latest
PING 172.31.88.27 (172.31.88.27): 56 data bytes
64 bytes from 172.31.88.27: seq=0 ttl=254 time=0.942 ms
64 bytes from 172.31.88.27: seq=1 ttl=254 time=0.644 ms
64 bytes from 172.31.88.27: seq=2 ttl=254 time=0.572 ms
64 bytes from 172.31.88.27: seq=3 ttl=254 time=0.635 ms
64 bytes from 172.31.88.27: seq=4 ttl=254 time=0.616 ms
^Z64 bytes from 172.31.88.27: seq=5 ttl=254 time=0.708 ms
64 bytes from 172.31.88.27: seq=6 ttl=254 time=0.716 ms
64 bytes from 172.31.88.27: seq=7 ttl=254 time=0.765 ms
64 bytes from 172.31.88.27: seq=8 ttl=254 time=0.645 ms
64 bytes from 172.31.88.27: seq=9 ttl=254 time=0.629 ms
^C
--- 172.31.88.27 ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max = 0.572/0.687/0.942 ms
[root@ip-172-31-83-166 ~]#

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[root@ip-172-31-83-166 ~]# docker service --help

Usage:  docker service COMMAND

Manage services

Commands:

  create      Create a new service

  inspect     Display detailed information on one or more services

  logs        Fetch the logs of a service or task

  ls          List services

  ps          List the tasks of one or more services

  rm          Remove one or more services

  rollback    Revert changes to a service's configuration

  scale       Scale one or multiple replicated services

  update      Update a service

Run 'docker service COMMAND --help' for more information on a command.

[root@ip-172-31-83-166 ~]#

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This is also create a container on worker and run the ping command

To create the docker service 

[root@ip-172-31-83-166 ~]# docker service create alpine ping 172.31.81.43

docker service ls will list the created services

[root@ip-172-31-83-166 ~]# docker service ls

ID                  NAME                 MODE                REPLICAS            IMAGE               PORTS

8ybsu9bgen5e        confident_poincare   replicated          1/1                 alpine:latest

lc7l8xvo9a0o        nifty_albattani      replicated          1/1                 alpine:latest

To see the detail of docker service 

[root@ip-172-31-83-166 ~]# docker service inspect 8ybsu9bgen5e

To check the logs of service 

[root@ip-172-31-83-166 ~]# docker service logs 8ybsu9bgen5e