Install Jenkins on Docker with Blue Ocean and persisten Voluemes in Ubuntu 20.04 LTS in 4 minutes

First Published: .

Following the official documentation:

https://www.jenkins.io/doc/book/installing/docker/#setup-wizard

The steps are:

Create the network bridge named jenkins

docker network create jenkins

to execute Docker commands inside jenkins nodes we will use docker:dind

docker run \
  --name jenkins-docker \
  --rm \
  --detach \
  --privileged \
  --network jenkins \
  --network-alias docker \
  --env DOCKER_TLS_CERTDIR=/certs \
  --volume jenkins-docker-certs:/certs/client \
  --volume jenkins-data:/var/jenkins_home \
  --publish 2376:2376 \
  docker:dind \
  --storage-driver overlay2

Created a Dockerfile with these contents:

FROM jenkins/jenkins:2.346.1-jdk11
USER root
RUN apt-get update && apt-get install -y lsb-release
RUN curl -fsSLo /usr/share/keyrings/docker-archive-keyring.asc \
  https://download.docker.com/linux/debian/gpg
RUN echo "deb [arch=$(dpkg --print-architecture) \
  signed-by=/usr/share/keyrings/docker-archive-keyring.asc] \
  https://download.docker.com/linux/debian \
  $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list
RUN apt-get update && apt-get install -y docker-ce-cli
USER jenkins
RUN jenkins-plugin-cli --plugins "blueocean:1.25.5 docker-workflow:1.28"

Build it:

docker build -t myjenkins-blueocean:2.346.1-1 .

Run the Container:

docker run \
  --name jenkins-blueocean \
  --restart=on-failure \
  --detach \
  --network jenkins \
  --env DOCKER_HOST=tcp://docker:2376 \
  --env DOCKER_CERT_PATH=/certs/client \
  --env DOCKER_TLS_VERIFY=1 \
  --publish 8080:8080 \
  --publish 50000:50000 \
  --volume jenkins-data:/var/jenkins_home \
  --volume jenkins-docker-certs:/certs/client:ro \
  myjenkins-blueocean:2.346.1-1

See the Id of the running Containers:

docker ps

As in my case my jenkins container Id is 77b6a5a7ae8d in order to know the jenkins administrator password I check the logs for my jenkins Container with docker logs 77b6a5a7ae8d:

docker logs 77b6a5a7ae8d
Running from: /usr/share/jenkins/jenkins.war
webroot: EnvVars.masterEnvVars.get("JENKINS_HOME")
2022-06-26 21:02:05.492+0000 [id=1]	INFO	org.eclipse.jetty.util.log.Log#initialized: Logging initialized @549ms to org.eclipse.jetty.util.log.JavaUtilLog
2022-06-26 21:02:05.583+0000 [id=1]	INFO	winstone.Logger#logInternal: Beginning extraction from war file
2022-06-26 21:02:05.613+0000 [id=1]	WARNING	o.e.j.s.handler.ContextHandler#setContextPath: Empty contextPath
2022-06-26 21:02:05.674+0000 [id=1]	INFO	org.eclipse.jetty.server.Server#doStart: jetty-9.4.45.v20220203; built: 2022-02-03T09:14:34.105Z; git: 4a0c91c0be53805e3fcffdcdcc9587d5301863db; jvm 11.0.15+10
2022-06-26 21:02:05.986+0000 [id=1]	INFO	o.e.j.w.StandardDescriptorProcessor#visitServlet: NO JSP Support for /, did not find org.eclipse.jetty.jsp.JettyJspServlet
2022-06-26 21:02:06.020+0000 [id=1]	INFO	o.e.j.s.s.DefaultSessionIdManager#doStart: DefaultSessionIdManager workerName=node0
2022-06-26 21:02:06.020+0000 [id=1]	INFO	o.e.j.s.s.DefaultSessionIdManager#doStart: No SessionScavenger set, using defaults
2022-06-26 21:02:06.021+0000 [id=1]	INFO	o.e.j.server.session.HouseKeeper#startScavenging: node0 Scavenging every 600000ms
2022-06-26 21:02:06.463+0000 [id=1]	INFO	hudson.WebAppMain#contextInitialized: Jenkins home directory: /var/jenkins_home found at: EnvVars.masterEnvVars.get("JENKINS_HOME")
2022-06-26 21:02:06.647+0000 [id=1]	INFO	o.e.j.s.handler.ContextHandler#doStart: Started w.@7cf7aee{Jenkins v2.346.1,/,file:///var/jenkins_home/war/,AVAILABLE}{/var/jenkins_home/war}
2022-06-26 21:02:06.668+0000 [id=1]	INFO	o.e.j.server.AbstractConnector#doStart: Started ServerConnector@4c402120{HTTP/1.1, (http/1.1)}{0.0.0.0:8080}
2022-06-26 21:02:06.669+0000 [id=1]	INFO	org.eclipse.jetty.server.Server#doStart: Started @1727ms
2022-06-26 21:02:06.669+0000 [id=25]	INFO	winstone.Logger#logInternal: Winstone Servlet Engine running: controlPort=disabled
2022-06-26 21:02:06.925+0000 [id=32]	INFO	jenkins.InitReactorRunner$1#onAttained: Started initialization
2022-06-26 21:02:07.214+0000 [id=39]	INFO	jenkins.InitReactorRunner$1#onAttained: Listed all plugins
2022-06-26 21:02:10.781+0000 [id=47]	INFO	jenkins.InitReactorRunner$1#onAttained: Prepared all plugins
2022-06-26 21:02:10.794+0000 [id=35]	INFO	jenkins.InitReactorRunner$1#onAttained: Started all plugins
2022-06-26 21:02:10.803+0000 [id=42]	INFO	jenkins.InitReactorRunner$1#onAttained: Augmented all extensions
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.vmplugin.v7.Java7$1 (file:/var/jenkins_home/war/WEB-INF/lib/groovy-all-2.4.21.jar) to constructor java.lang.invoke.MethodHandles$Lookup(java.lang.Class,int)
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.vmplugin.v7.Java7$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2022-06-26 21:02:11.634+0000 [id=30]	INFO	jenkins.InitReactorRunner$1#onAttained: System config loaded
2022-06-26 21:02:11.635+0000 [id=30]	INFO	jenkins.InitReactorRunner$1#onAttained: System config adapted
2022-06-26 21:02:11.642+0000 [id=48]	INFO	jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
2022-06-26 21:02:11.645+0000 [id=46]	INFO	jenkins.InitReactorRunner$1#onAttained: Configuration for all jobs updated
2022-06-26 21:02:11.668+0000 [id=67]	INFO	hudson.model.AsyncPeriodicWork#lambda$doRun$1: Started Download metadata
2022-06-26 21:02:11.675+0000 [id=67]	INFO	hudson.model.AsyncPeriodicWork#lambda$doRun$1: Finished Download metadata. 4 ms
2022-06-26 21:02:11.733+0000 [id=52]	INFO	jenkins.install.SetupWizard#init: 

*************************************************************
*************************************************************
*************************************************************

Jenkins initial setup is required. An admin user has been created and a password generated.
Please use the following password to proceed to installation:

3de0910b83894b9294989552e6fa9773

This may also be found at: /var/jenkins_home/secrets/initialAdminPassword

*************************************************************
*************************************************************
*************************************************************

2022-06-26 21:02:22.901+0000 [id=52]	INFO	jenkins.InitReactorRunner$1#onAttained: Completed initialization
2022-06-26 21:02:23.013+0000 [id=24]	INFO	hudson.lifecycle.Lifecycle#onReady: Jenkins is fully up and running

In my case the password is at the bottom, between the stars: 3de0910b83894b9294989552e6fa9773

Go with your browser to: http://localhost:8080

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