Hello Application Demo (github+jenkins+docker)

when user will push code on github repository then it will auto build on jenkins by webhooks and deploy new docker image and that new docker image will auto pull on webserver and release will happen successfully

server requirements

1. jenkins server (ubuntu 18)
2. web server (ubuntu 18)

• Note: below all commands related ubunutu 18

server dependancy

apt-get install git unzip
apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
apt-get update
apt-get install docker-ce docker-ce-cli containerd.io
wget https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip
unzip ngrok-stable-linux-amd64.zip
mv ngrok /usr/bin

jenkins installation

• follow steps to install jenkins server https://linuxize.com/post/how-to-install-jenkins-on-ubuntu-18-04/

jenkins required plugin

Github Pull Request Builder
SSH Plugin

jenkins credential configuration

Steps:

Jenkins > credential > System > Global Credential > Add Credential > web server ssh credential e.g. username : root password:123

Steps:

Jenkins > credential > System > Global Credential > Add Credential > dockerhub credential

Jenkins Create Project for generate docker image

Enter an item name > pipeline > Build Triggers > GitHub hook trigger for GITScm polling > Pipeline > Pipeline Script From SCM > SCM  >  Git > Repository URL (https://github.com/dipenpatel235/webpage.git) > Save

Jenkins Create Project for pull new docker image

Steps:

Enter an item name > Source Code Management > git > Repository URL (https://github.com/dipenpatel235/webpage.git) > Build triggers > GitHub hook trigger for GITScm polling > build > SSH Site(choose remote ssh) > command (paste below docker script commands) >  execute each line > Save

sleep 60
docker pull dipend/webpage
docker stop webpage
docker rm webpage
docker run --name webpage -d -p 80:80 dipend/webpage

start ngrok for public ip to receive github webhook (follow this only if you have local ip)

ngrok authtoken 5q2VZdxrGZYALSG5PZ7eB_A8DWf7eQZGwtw9KDyGoy

• above command will give you piblic URL e.g. https://7008922a.ngrok.io so copy that and paste it in mine repo (https://github.com/dipenpatel235/webpage) setting webhook

Cloning the Repository on any server

$git clone https://github.com/dipenpatel235/webpage

• change anything in html file for test then execute below command

git add .
git commit -am "test"
git push

• Then Look it Build Started and after 40-50 sec open upur web server page url and see your html page change