Connect Docker Host into Portainer

Connect Docker Host into Portainer | After you have succesfully Install Portainer, you can connect docker host into Portainer using several ways. Here, we will connecting docker host to Portainer using Docker API.

In Docker Host

1. Open docker service file

     vi /lib/systemd/system/docker.service

2. Find the line which starts with ExecStart and adds -H=tcp://0.0.0.0:2375 in the end
3. Save the modified file
4. Reload docker daemon

systemctl daemon-reload

5. Restart docker

         service docker restart

6. To test if it successful, run this command

curl http://localhost:2375/images/json

7. If everything is fine below command should return a JSON

In Portainer Dashboard

1. Open portainer dashboard
2. Goto endpoint > Add endpoint

3. Fill these field

            Name                : free to fill

            Endpoint URL    : <Docker Host IP>:2375

4. If you still got failed, check your firewall, don’t forget to add port 2375/tcp, go to this link if you want to know how to configure firewalld

That are  the steps configuring your Portainer Dashboard with Docker Host using Docker API. Follow those steps to get your portainer works well with docker host