Jenkins Container Install Docker
F3 getent group docker docker docker restart jenkins docker conclusion you should now be able to set up jenkins in a docker container and create a pipeline that builds an image and runs tests inside it.
Jenkins container install docker. From jenkins jenkins latest env java opts djenkins install runsetupwizard false here you re using the from instruction to specify jenkins jenkins latest as the base image and the env instruction to set the java opts environment variable. Exactly you like to do it. Here we map var lib jenkins from the container to jenkins directory from the current path on the host. We don t need to install the docker plugin on the jenkins.
To setup jenkins in a docker you can do it by simply pulling the image from the official jenkins docker image and then run it using docker command to setup the container. A docker container is in effect a running instance of a docker image. When creating a pipeline script in jenkins there are multiple ways to incorporate docker. Docker exec user root jenkins docker groupmod g cut d.
The fastest way to get started is to get the docker image and run containers. And the primary container orchestration tool is docker. Run docker on jenkins server agent. Create a freestyle job select execute shell option under build section and use the below commands.
Applications like jenkins can be downloaded as read only images or docker images each of which is run in docker as a container. With these modifications in place build a new custom docker image and assign it a. Jenkins port 8080 is also exposed to the host as 49001. Docker is a platform for running applications in an isolated environment called a container or docker container.
Together these two applications provide a powerful yet simple to understand and use model for leveraging containers in your cd pipeline. We will create a freestyle job and the docker container will run inside a jenkins server or the agent where job is actually running. Alternatively we could have added the jenkins user to the docker group which avoids the need to prefix all docker commands with sudo but is non portable due to the changing gid of the group as discussed in pini s article. The jenkins project has already created a docker image jenkinsci jenkins with tag of 2 0.
We need to give the jenkins user sudo privileges in order to be able to run docker commands inside the container.