Architecture

Deployment

1.Jenkins

pipeline {   environment {       registry ="jpolara2016/test_app"       registryCredential ='dockerhub_id'       dockerImage =''   }  agent any   stages {      stage('Cloning Git') {           steps {               git'https://github.com/jpolara2016/test_app'           }      }       stage('Building image') {           steps {               script {                   dockerImage = docker.build registry +":latest"               }          }       }      stage('Deploy image') {           steps {               script {                   docker.withRegistry('', registryCredential ) {dockerImage.push()                   }              }           }      }       stage('Cleaning up') {           steps {               sh"docker rmi$registry:latest"           }      }      stage('Updating Cluster Definition') {           steps {               sh'''              app_name="test-app"              region="us-east-1"              cluster_name=`aws ecs list-clusters | grep $app_name | awk -F "/"'{ print$2 }' | sed's/"//'`              ecs_service_name=`aws ecs list-services --cluster$cluster_name | awk -F"/" '{ print$3 }' | sed 's/"//' | sed'/^$/d'`              task_definition_name=`aws ecs list-task-definitions | grep $app_name | awk -F:'{ print$6 }' | awk -F "/"'{ print$2 }'`              desired_count=`aws ecs describe-services --cluster $cluster_name --services $ecs_service_name | grep desiredCount | tail -n 1 | awk -F ": "'{ print$2 }' | sed's/,//'`              aws ecs --region $region update-service --cluster $cluster_name --service $ecs_service_name --task-definition $task_definition_name --desired-count $desired_count --force-new-deployment'''          }      }  }}

2.GitGub Actions

name:Sample Python Flask Application# Controls when the action will run.on:# Triggers the workflow on push or pull request events but only for the master branchpush:branches:[ master ]pull_request:branches:[ master ]# Allows you to run this workflow manually from the Actions tabworkflow_dispatch:# A workflow run is made up of one or more jobs that can run sequentially or in paralleljobs:# This workflow contains a single job called "build"build_docker_image:# The type of runner that the job will run onruns-on:ubuntu-latest# Steps represent a sequence of tasks that will be executed as part of the jobsteps:    -uses:actions/checkout@v2    -name:Set up Python 3.8uses:actions/setup-python@v1with:python-version:3.8            -name:Install requirementsrun:|        python3 -m pip install --upgrade pip        pip3 install -r requirements.txt    -name:echo workspacerun:echo $GITHUB_WORKSPACEshell:bash          -name:Set up QEMUuses:docker/setup-qemu-action@v1        -name:Set up Docker Buildxuses:docker/setup-buildx-action@v1        -name:Login to DockerHubuses:docker/login-action@v1with:username:${{ secrets.DOCKER_USERNAME }}password:${{ secrets.DOCKER_PASSWORD }}        -name:Build and pushuses:docker/build-push-action@v2with:context:.push:truetags:jpolara2016/test_app:latest# Deploy container on ECSdeploy_on_ecs:needs:build_docker_imageruns-on:ubuntu-lateststeps:    -name:Configure AWS credentialsuses:aws-actions/configure-aws-credentials@v1with:aws-access-key-id:${{ secrets.AWS_ACCESS_KEY_ID }}aws-secret-access-key:${{ secrets.AWS_SECRET_ACCESS_KEY }}aws-region:us-east-1    -name:Get Task Definition detailsrun:|        app_name="test_app"        cluster_name=`aws ecs list-clusters | grep $app_name | gawk -F "/" '{ print $2 }' | sed 's/"//'`        ecs_service_name=`aws ecs list-services --cluster $cluster_name | gawk -F "/" '{ print $3 }' | sed 's/"//' | sed '/^$/d'`        task_definition_name=`aws ecs list-task-definitions | grep test_app | gawk -F: '{ print $6 }' | gawk -F "/" '{ print $2 }'`        desired_count=`aws ecs describe-services --cluster $cluster_name --services $ecs_service_name | grep desiredCount | tail -n 1 | gawk -F ": " '{ print $2 }' | sed 's/,//'`        aws ecs --region us-east-1 update-service --cluster $cluster_name --service $ecs_service_name --task-definition $task_definition_name --desired-count $desired_count --force-new-deployment