Got permission denied while trying to connect to the Docker daemon socket

[michaelpwilson]

[Pipeline] // stage
[Pipeline] withEnv
[Pipeline] {
[Pipeline] stage
[Pipeline] { (Declarative: Agent Setup)
[Pipeline] sh
[Bridging Admin Portal] Running shell script
+ docker pull node:8-alpine
Warning: failed to get default registry endpoint from daemon (Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.35/info: dial unix /var/run/docker.sock: connect: permission denied). Using system default: https://index.docker.io/v1/
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post http://%2Fvar%2Frun%2Fdocker.sock/v1.35/images/create?fromImage=node&tag=8-alpine: dial unix /var/run/docker.sock: connect: permission denied

[ripper2hl]

you can run docker without sudo ?