Jenkins CI with GitHub Integration
Launch Instance
Create AWS EC2 - t2.micro
sudo apt update
clear
Install JAVA because Jenkins is built on Java language
sudo apt install openjdk-11-jdk -y
To check JAVA version whether it's installed or not
java --version
Install Jenkins
Jenkins Installation Official Page
curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key | sudo tee \
/usr/share/keyrings/jenkins-keyring.asc > /dev/null
echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \
https://pkg.jenkins.io/debian-stable binary/ | sudo tee \
/etc/apt/sources.list.d/jenkins.list > /dev/null
sudo apt-get update
sudo apt-get install jenkins
Start Jenkins
sudo systemctl enable jenkins
sudo systemctl start jenkins
To check our Installed Jenkins is working or not, we use command
sudo systemctl status jenkins
Above image shows that our Jenkins is Actively running
Jenkins works on port 8080 so we have to add port 8080 in our Instance security group
After adding port 8080 we will be able to access our Jenkins
Copy the /var/lib/jenkins/secrets/initialAdminPassword
and use command
sudo cat /var/lib/jenkins/secrets/initialAdminPassword
Use this password to access jenkins
Install suggested plugins
And reset the password
Create New item in the Jenkins
Use these image steps
Also specify branch here
First Apply then Save
Click to Build Now
Click to console Output after clicking the build
Copy the Building in workspace full line and paste it to your terminal to check our code arrived or not
You can see our code which was present in the GitHub, now it is showing in our Server also
To run this code we need to install Nodejs in our Instance
sudo apt install nodejs -y
sudo apt install npm -y
sudo npm install
app node.js
Now we have to add port 8000 in our Instance security group
Our Code is working now
Now we have Create Container so that we can access this app on any device hassle free
Installing Docker
sudo apt install docker.io -y
sudo nano Dockerfile
Search docker base image with node
Writing a code inside a Docker file
FROM node: 12.2.0-alpine
WORKDIR app
COPY ..
RUN npm install
EXPOSE 8000
CMD ["node", "app.js"]
From node: 12.2.0-alpine (we are fetching the node the docker base image with node js version, in simple way Installing OS with Node js)
Workdir app (we are creating the app folder where we are working now)
Cop . . (we copied all the source code here)
Run npm install (we are installing all the dependencies)
Dockerfile got created
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post "http://%2Fvar%2Frun%2Fdocker.sock/v1.24/build?buildargs=%7B%7D&cachefrom=%5B%5D&cgroupparent=&cpuperiod=0&cpuquota=0&cpusetcpus=&cpusetmems=&cpushares=0&dockerfile=Dockerfile&labels=%7B%7D&memory=0&memswap=0&networkmode=default&rm=1&shmsize=0&t=project-node&target=&ulimits=null&version=1": dial unix /var/run/docker.sock: connect: permission denied
(Above error will come to fix this error use following below commands)
Give permission to your docker
ls -l /var/run/docker.sock
sudo usermod -aG docker $USER
Check the status of the Docker it's working or not
sudo systemctl status docker
If not working then use command
sudo systemctl start docker
Use the final command to build docker container
sudo docker build . -t project-node
Use this command to run the docker container
sudo docker run -d --name project-node -p 8000:8000 project-node
To check whether our container is running or not
sudo docker ps
