Install Jenkins with Docker

Run Jenkins LTS in Docker, retrieve the initial admin password, and complete the setup wizard.

1 min readbeginner20 minUpdated July 30, 2026

jenkinsdockerinstallation

Quick start

docker run -d \
  --name jenkins \
  -p 8080:8080 \
  -p 50000:50000 \
  -v jenkins_home:/var/jenkins_home \
  jenkins/jenkins:lts-jdk21

Port	Purpose
`8080`	Web UI
`50000`	Agent → controller (inbound agents)

Unlock Jenkins

docker exec jenkins cat /var/jenkins_home/secrets/initialAdminPassword

Open http://localhost:8080
Paste the admin password
Install suggested plugins
Create the first admin user

Persist data

The jenkins_home volume keeps jobs, plugins, and credentials across container restarts.

docker stop jenkins
docker start jenkins

For AWS/EC2 labs, open security group port 8080 to your IP only — never 0.0.0.0/0 for long.