Notes.txt

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DevOps -->  Tools & Services 
	
		1. Projects :
		
		Trained DevOps Resource.
		
		How much you are strong in ur fundamentals?
		How much you can able adapt yourself to their requirements?
		How much you can relate the the things with the real time scenarios?
		
		Intro. to DevOps:
		Tools :::
			GIT/Jenkins/Ansible/Terraform/Docker/Kubernetes/Promethus/Grafana
			
			
		Resume/Profile :::::
		
			Projects:::
			My learning : 
			
			Resume no. of pages... 
			
		Project :::
		
		Project 1:
		
		Name :
		Tools :
		How many members : 2 
		Project Description :
		Project Duration :
		
		Project 2:
		
		Name :
		Tools :
		How many members : 1
		
			Project Description
			
			
		Project :::: ????
		
		Banking Application :::
		
			Infra
			Development
			DevOps pipeline -> automate the CI/CD 
			
		DevOps pipeline ::::

		
		Automated pipeline to perform infra-structure provision and configuration ?
		
			Writing the script???
				IAC - Terraform --> HCL 
				IAC - Ansible   --> YAML 
		
		Automated pipeline to perform build and deployment ?		
		
		Automated pipeline to perform build and deployment of containerized application ?		
		
		Pipeline 1: Test Server 
		
		Pipeline 2 : Build & Deployment
		
		
		
		
		Medicure / Insurance Application ::::
		
			Projects ==> Have a copy of project Document in github repo.
							- Project Description
							- Snapshot of the cicd pipeline work flow 
							- Pipeline line scripts --> 
									--> Naming conventions!
									--> Comments should be maintained
									--> Input and Output for each stage.
							- Snapshot of the Project output.
							
							
						What is your contribution in the project ???
							Infra Provisioning
							DevOps Pipeline 
								Created end-to-end pipeline 
								Create end-to-end pipeline for containerized workload.
										Jenkins --> 
										Build '
										Docker - to build Image
										Kubernetes - Orchestrate the containers
			
pipeline {
    agent { label 'slave1' }
	
    tools {
        // Install the Maven version configured as "M3" and add it to the path.
        maven "maven-3.6.3"
    }

	environment {	
		DOCKERHUB_CREDENTIALS=credentials('dockerloginid')
	}

    stages {
        stage('SCM Checkout') {
            steps {
                // Get some code from a GitHub repository
                git 'https://github.com/LoksaiETA/devops-java-webapp.git'
                //git 'https://github.com/LoksaiETA/Java-mvn-app2.git'
            }
		}
        stage('Maven Build') {
            steps {
                // Run Maven on a Unix agent.
                sh "mvn -Dmaven.test.failure.ignore=true clean package"
            }
		}
        stage("Docker build"){
            steps {
				sh 'docker version'
				sh "docker build -t loksaieta/loksai-eta-app:${BUILD_NUMBER} ."
				sh 'docker image list'
				sh "docker tag loksaieta/loksai-eta-app:${BUILD_NUMBER} loksaieta/loksai-eta-app:latest"
            }
        }
        stage('Approve - push Image to dockerhub'){
            steps{
                
                //----------------send an approval prompt-------------
                script {
                   env.APPROVED_DEPLOY = input message: 'User input required Choose "yes" | "Abort"'
                       }
                //-----------------end approval prompt------------
            }
        }
		stage('Login2DockerHub') {

			steps {
				sh 'echo $DOCKERHUB_CREDENTIALS_PSW | docker login -u $DOCKERHUB_CREDENTIALS_USR --password-stdin'
			}
		}
		stage('Push2DockerHub') {
			steps {
				sh "docker push loksaieta/loksai-eta-app:latest"
			}
		}
        stage('Deploy to Kubernetes Cluster') {
            steps {
		script {
			sshPublisher(publishers: [sshPublisherDesc(configName: 'FKubemaster1', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: 'kubectl apply -f k8smvndeployment.yaml', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: '.', remoteDirectorySDF: false, removePrefix: '', sourceFiles: '*.yaml')], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
			}
            }
	    }
    }
}								
								


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entrypoint "/bin/bash"
cmd "/bin/bash"

git docker maven 

FROM centos 
RUN yum install git -y
ENTRYPOINT "sleep"
CMD "30"


docker run -it myimge1 50	


docker run -it myimge1