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Deploy_on_Container.MD

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Deploy on a docker container using Jenkins

Deploy_on_Container

Pre-requisites

  1. Jenkins server
  2. Docker-host server
  3. Dockerfile under /home/dockeradmin in user home directory on docker host 
    # Pull tomcat latest image from dockerhub 
From tomcat
# Maintainer
MAINTAINER "AR Shankar" 

# copy war file on to container 
COPY ./webapp.war /usr/local/tomcat/webapps

Integration between Docker-host and Jenkins

Install "publish Over SSH"

  • Manage Jenkins > Manage Plugins > Available > Publish over SSH

Enable connection between Docker-host and Jenkins

  • Manage Jenkins > Configure System > Publish Over SSH > SSH Servers

    • SSH Servers: - Name: docker-host

      • Hostname:<ServerIP>

      • username: dockeradmin

      • Advanced > chose Use password authentication, or use a different key

      • password: *******

Steps to create "Deploy_on_Container" Jenkin job

From Jenkins home page select "New Item"

  • Enter an item name: Deploy_on_Container

    • Copy from: Deploy_on_Docker_Host

  • Source Code Management:

    • Repository: https://github.com/yankils/hello-world.git
    • Branches to build : */master

  • Poll SCM : - * * * *

  • Build:

    • Root POM:pom.xml
    • Goals and options: clean install package

  • Post-build Actions

    • Send build artifacts over SSH
      • SSH Publishers
      • SSH Server Name: docker-host
      • Transfers > Transfer set
        • Source files: webapp/target/*.war
        • Remove prefix: webapp/target
        • Remote directory: //home//ansadmin or .
        • Exec command: 
          cd /home/dockeradmin;
docker build -t simple-devops-image .; 
docker run -d --name simple-devops-container -p 8080:8080 simple-devops-image;

Save and run the job now.