Setup CD using ECR and ECS

buildspec.staging.yaml

version: 0.2

phases:
  install:
    commands:
      - nohup /usr/local/bin/dockerd --host=unix:///var/run/docker.sock --host=tcp://127.0.0.1:2375 --storage-driver=overlay2 &
      - timeout 15 sh -c "until docker info; do echo .; sleep 1; done"
  pre_build:
    commands:
      - echo Logging in to Amazon ECR...
      - aws --version
      - aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin <aws-account-id>.dkr.ecr.us-east-1.amazonaws.com
      - PROJECT_NAME=<project-name>-staging
      - REPOSITORY_URI=<aws-account-id>.dkr.ecr.us-east-1.amazonaws.com/$PROJECT_NAME
      - COMMIT_HASH=$(echo $CODEBUILD_RESOLVED_SOURCE_VERSION | cut -c 1-7)
      - IMAGE_TAG=${COMMIT_HASH:=latest}
      - CONTAINER_NAME=<project-name>-container-staging
      - DOCKERHUB_USERNAME=<dockerhub-username>
      - DOCKERHUB_PASSWORD=<dockerhub-password>
  build:
    commands:
      - echo Build started on `date`
      - echo Building the Docker image...
      - echo $DOCKERHUB_PASSWORD | docker login --username $DOCKERHUB_USERNAME --password-stdin # environment set to aws secrets
      - docker image build -t $PROJECT_NAME .
      - docker image tag $PROJECT_NAME:latest $REPOSITORY_URI:latest
  post_build:
    commands:
      - echo Build completed on `date`
      - echo Pushing the Docker images...
      - docker push $REPOSITORY_URI:latest
      - echo Writing image definitions file...
      - printf '[{"name":"'"$CONTAINER_NAME"'","imageUri":"%s"}]' $REPOSITORY_URI:latest > imagedefinitions.json
      - cat imagedefinitions.json
artifacts:
    files: imagedefinitions.json