Building docker images using AWS CodeCommit, CodeBuild and storing in AWS ECR

byRaja Ravi June 02, 2021

AWS CodeCommit


Aws CodeCommit is a source control service for git based repositories.
It is similar to the most famous source control service github.com

We use the AWS CodeCommit to store the source code

AWS CodeBuild


AWS CodeBuild is a continuous integration service that can be used for compiling source code, run tests, and produce software packages.

Instead of running dedicated servers for building the code, AWS CodeBuild can be used on demand as it is a fully managed Pay as you go service. 

The service will bring up the computing resources required for building, testing and packaging the code and then the resources will be freed up once the job completes

We use the AWS CodeBuild to build Docker image of our source code

AWS ECR


AWS Elastic Container Registry is a fully managed container registry to store, manage, share and deploy container images and artifacts

We store the docker image in AWS ECR

Overview


  • Apart from AWS Access Key, HTTPS Git credentials have to be created in IAM
  • Create CodeCommit Repository
  • Push the Code as usual as it is commonly used Git based repository
  • Create Container Repository
  • Write the set of instructions to perform building the software in buildspec.yml file
  • Create AWS CodeBuild Project - make sure to choose Privilege flag under environments to get elevated privilege for building the Docker images
  • Click on Start build
  • Build trigger feature is available to automate the process

Documentation



Points to Consider


  • Typically, AWS CodeBuild cannot access resources in a VPC. Additional VPC specific configurations have to be given in the CodeBuild Project.

  • NAT gateway or NAT instance required to use CodeBuild with VPC so that CodeBuild can reach public endpoints - This means, there is more AWS VPC configurations required such as creating NAT gateway, internet gateway, security group and route table..etc when using docker images that uses base image available in internet which is a usual case


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    1. for.May 16, 2026 at 11:42 AM

      In Cloud Computing Projects, Building Docker images using AWS services involves integrating version control, build automation, and container storage. Amazon Web Services provides a seamless DevOps workflow using AWS CodeCommit, AWS CodeBuild, and Amazon ECR. First, your application source code (including the Dockerfile) is stored in CodeCommit, which acts as a secure Git-based repository. Whenever changes are pushed, it can trigger a build process.

      Next, CodeBuild pulls the code from CodeCommit and uses a build specification file (buildspec.yml) to define the steps required to build the Docker image. This includes logging into Amazon ECR, building the Docker image, tagging it, and pushing it to an ECR repository. Amazon ECR then securely stores and manages your Docker images, making them available for deployment in services like ECS or Kubernetes. This pipeline ensures continuous integration and delivery (CI/CD), enabling automated, scalable, and efficient containerized application deployment. Cloud Security Projects

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