npm install
npm start

docker build -t todo-web-app .
docker run -p 3000:3000 todo-web-app

Go to the Amazon ECR console.

• Click Create repository.
• Enter todo-web-app as the repository name and click Create repository.

2. Push Your Docker Image
   • Follow the instructions on the ECR repository page:
     • Open the repository you just created.
     • Click on View push commands to get the commands for pushing the image.
     • Execute the commands in your terminal to build, tag, and push the image to ECR.

1. Go to CodeBuild

   • Open the AWS CodeBuild console.

2. Create a Build Project

   • Click Create build project.

   • Enter todo-web-app-build as the project name.

   • In Source, choose the source provider (e.g., GitHub or CodeCommit).

   • Connect your repository where your Dockerfile and application code are stored.

   • In Environment, choose:

     • Environment image: Managed image.
     • Operating system: Amazon Linux 2.
     • Runtime: Standard.
     • Image: aws/codebuild/standard:6.0.
     • Check Enable this project to build Docker images.
     • Add variable
       • AWS_DEFAULT_REGION with a value of region-ID
       • AWS_ACCOUNT_ID with a value of account-ID
       • IMAGE_TAG with a value of Latest
       • IMAGE_REPO_NAME with a value of Amazon-ECR-repo-name

   • In Buildspec, select Insert build commands and use the following content or you can use buildspec.yaml

    version: 0.2
    phases:
        pre_build:
            commands:
                - echo Logging in to Amazon ECR...
                - aws ecr get-login-password --region $AWS_DEFAULT_REGION | docker login --username AWS --password-stdin $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com
        build:
            commands:
                - echo Build started on `date`
                - echo Building the Docker image...          
                - docker build -t $IMAGE_REPO_NAME:$IMAGE_TAG .
                - docker tag $IMAGE_REPO_NAME:$IMAGE_TAG $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME:$IMAGE_TAG      
        post_build:
            commands:
                - echo Build completed on `date`
                - echo Pushing the Docker image...
                - docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME:$IMAGE_TAG