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Launch an EC2 instance for Docker host
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Install docker on EC2 instance and start services
yum install docker
service docker start- create a new user for Docker management and add him to Docker (default) group
useradd dockeradmin
passwd dockeradmin
usermod -aG docker dockeradmin- Write a Docker file under /opt/docker
mkdir /opt/docker
### vi Dockerfile
# Pull base image
From tomcat:8-jre8
# Maintainer
MAINTAINER "valaxytech"
# copy war file on to container
COPY ./webapp.war /usr/local/tomcat/webapps-
Login to Jenkins console and add Docker server to execute commands from Jenkins
Manage Jenkins --> Configure system --> Publish over SSH --> add Docker server and credentials -
Create Jenkins job
A) Source Code Management
Repository : https://github.com/ValaxyTech/hello-world.git
Branches to build : */master
B) Build
Root POM: pom.xml
Goals and options : clean install package
C) send files or execute commands over SSH
Name: docker_host
Source files : webapp/target/*.war
Remove prefix : webapp/target
Remote directory : //opt//docker
Exec command[s] :
docker stop valaxy_demo;
docker rm -f valaxy_demo;
docker image rm -f valaxy_demo;
cd /opt/docker;
docker build -t valaxy_demo .D) send files or execute commands over SSH
Name: docker_host
Exec command : docker run -d --name valaxy_demo -p 8090:8080 valaxy_demo
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Login to Docker host and check images and containers. (no images and containers)
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Execute Jenkins job
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check images and containers again on Docker host. This time an image and container get creates through Jenkins job
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Access web application from browser which is running on container
<docker_host_Public_IP>:8090