Friday, February 17, 2023

How to Create a Docker Image for Springboot App and Push Docker image into Amazon ECR from Azure DevOps Pipelines | Azure DevOps Pipelines to Build and Push a Docker image to AWS ECR

Amazon Elastic Container Registry (ECR) is a fully managed Docker container registry that makes it easy to store, share, and deploy container images. We will learn how to build docker image for a springboot microservices app using Azure DevOps(ADO) build pipeline and push docker image into AWS ECR.



What are we going to do in this lab?
1. Create a Repository in AWS ECR for storing docker images
2. Create an IAM user and AmazonEC2ContainerRegistryFullAccess policy.
3. Create access keys for IAM user in AWS console
4. Create service connection in AzureDevOps to connect to AWS using IAM user access & secret keys.
5. Create Azure DevOps Build pipeline with below tasks:
  • maven build for building JAR
  • build docker image
  • push docker image into ECR
6. Verify if docker image has been pushed to AWS ECR

Pre-requisites:

Watch Steps in YouTube channel:

Step 1 - Create a repo in ECR 

Go to AWS console, type ECR



Click on Create Repository

Enter name for your repo - all lower case and Click create repository


Create an IAM user

Go to AWS console --> IAM --> Add Users

Enter name for the user
Search for EC2 and choose AmazonEC2ContainerRegistryFullAccess
Click on Create User

Create security credentials

Click on user name ecr-user
Click on Security credentials



Create Access key

Create Service connection 

Go to Project settings --> Service Connections


Enter Access keys and Secret keys

Enter Connect name and select Grant access to all pipelines
Click on save

Create a classic Azure Build pipeline

Click on use the classic editor

Select GitHub and choose your spring-boot project and click continue



Choose a template for the pipeline, type docker and select docker container

Click on Apply

Select build Agent for the Pipeline
Choose Ubuntu latest as build agent


Add Pipeline variables
imageName as springboot-app
repoName as my-springboot-repo

Add Maven task for building springboot JAR file
Make sure Maven task is moved up..it should be a first task

enter maven goas as install


Customize build an image Task 

start customizing the task, choose the version as 2.0
Enter $(imageName) as  Container repository 
Select build as command from drop down
Tags as it have shown below
Remove push an image task



Add ECR push task


now configure the task

Select as shown in screenshot
Choose aws service connection from drop down
select region as per your settings.
select Image ID
enter as $(imageName):$(Build.BuildId)


Repo Name as $(repoName)
$(Build.BuildId) as tar repo tag


Save and Queue
Select ubuntu latest as build agent..do NOT select window agents.

Now make sure build is successful.



Verify if Docker image has been pushed into AWS ECR

Now login to AWS console --> Go to ECR--> select your repo. verify if image has been uploaded successfully.

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