sudo su -

sudo apt update -y

sudo apt-get install wget unzip -y

sudo apt install openjdk-8-jdk -y

sudo apt-get install git -y

sudo wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -

sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'

sudo apt-get update -y sudo apt-get install jenkins -y sudo systemctl start jenkins sudo systemctl enable jenkins sudo systemctl status jenkins

sudo apt-get update -y

sudo 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 -

sudo add-apt-repository
"deb [arch=amd64] https://download.docker.com/linux/ubuntu
$(lsb_release -cs)
stable"

sudo apt-get update -y sudo apt-get install docker-ce docker-ce-cli containerd.io -y sudo systemctl start docker sudo systemctl enable docker sudo systemctl start docker sudo usermod -aG docker jenkins sudo systemctl restart jenkins

vi /etc/sudoers jenkins ALL=(ALL) NOPASSWD: ALL ubuntu ALL=(ALL) NOPASSWD: ALL

vi /etc/ssh/sshd_config PasswordAuthentication Yes PermitRootLogin Yes

vi /etc/passwd Add /bash to Jenkins User

sudo su -

sudo apt update -y

sudo apt-get update -y

sudo 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 -

sudo add-apt-repository
"deb [arch=amd64] https://download.docker.com/linux/ubuntu
$(lsb_release -cs)
stable"

sudo apt-get update -y sudo apt-get install docker-ce docker-ce-cli containerd.io -y sudo systemctl start docker sudo systemctl enable docker sudo systemctl start docker

sshagent Docker Publish Maven git

Maven Tool Name: Maven 3.6.3 DockerHub: username & password dockerserver: username = ubuntu password = Private Key

sudo usermod -aG docker ${USER}

docker swarm init

docker node ls

node { def buildNumber = env.BUILD_NUMBER def app stage("Code Check Out") { git url: 'https://github.com/MithunTechnologiesDevOps/java-web-app-docker.git',branch: 'master' } stage("Maven Build") { def mavenHome = tool name: 'Maven 3.6.3', type: 'maven' def mavenCMD = "${mavenHome}/bin/mvn" sh "${mavenCMD} clean package" } stage("Build Docker Image") { sh "docker build -t adityadevops/java-app-docker-jenkins:${buildNumber} ."

    or
    
    app = docker.build("adityadevops/java-app-docker-jenkins:${env.BUILD_NUMBER}")
}
stage("Test Image")
{
    app.inside
    {
        sh 'echo "Test Passed"'
    }
}
stage("Push Docker Image")
{
    withCredentials([string(cerdentialsId: 'docker-pwd', variable: 'DockerHub')])
    {
        sh "docker login -u adityadevops -p ${DockerHub}"
    }
    sh "docker push adityadevops/java-app-docker-jenkins:${buildNumber}"

    or

    docker.withRegistry('https://registry.hub.docker.com','DockerHub')
    {
        app.push()
    }
}
stage("Deploy on Docker Swarm Cluster")
{
    sshagent(['dockerserver'])
    {
        sh "sudo ssh -o StrictHostKeyChecking=no ubuntu@Internal IP docker service rm -f javaapp || true"
        sh "sudo ssh -o StrictHostKeyChecking=no ubuntu@Internal IP docker service create --name javaapp -p 8085:8080 --replicas 2 adityadevops/java-app-docker-jenkins:${env.BUILD_NUMBER} || true"

    }
}

}

https://github.com/MithunTechnologiesDevOps/spring-boot-mongo-docker.git

node { def buildNumber = env.BUILD_NUMBER def app stage("Code Check Out") { git url: 'https://github.com/MithunTechnologiesDevOps/spring-boot-mongo-docker.git',branch: 'master' } stage("Maven Build") { def mavenHome = tool name: 'Maven 3.6.3', type: 'maven' def mavenCMD = "${mavenHome}/bin/mvn" sh "${mavenCMD} clean package" } stage("Build Docker Image") { sh "docker build -t adityadevops/java-app-docker-jenkins:${buildNumber} ."

    or
    
    app = docker.build("adityadevops/java-app-docker-jenkins:${env.BUILD_NUMBER}")
}
stage("Test Image")
{
    app.inside
    {
        sh 'echo "Test Passed"'
    }
}
stage("Push Docker Image")
{
    withCredentials([string(cerdentialsId: 'docker-pwd', variable: 'DockerHub')])
    {
        sh "docker login -u adityadevops -p ${DockerHub}"
    }
    sh "docker push adityadevops/java-app-docker-jenkins:${buildNumber}"

    or

    docker.withRegistry('https://registry.hub.docker.com','DockerHub')
    {
        app.push()
    }
}
stage("Remove Local Image")
{
    sh "docker rmi -f adityadevops/java-app-docker-jenkins"
}
stage("Deploy on Docker Swarm Cluster")
{
    sshagent(['dockerserver'])
    {
        sh 'sudo scp -o StrictHostKeyChecking=no  docker-compose.yml ubuntu@Internal IP:'
        sh 'sudo ssh -o StrictHostKeyChecking=no ubuntu@Internal IP docker stack deploy --prune --compose-file docker-compose.yml springboot'

    }
}

}

docker stack ls

docker service ls

docker stack rm springboot