buildspec.yml

version: 0.2

phases:
  pre_build:
    commands:
      - docker --version
      - echo Logging in Docker Hubs ...
      - docker login --username $DOCKER_USER --password $DOCKER_PASS
      - COMMIT_HASH=$(echo $CODEBUILD_RESOLVED_SOURCE_VERSION | cut -c 1-7)
      - IMAGE_TAG=${COMMIT_HASH:=latest}
      - docker pull $REPO_URL:cache
  build:
    commands:
      - echo Build started on `date`
      - echo Building the Docker image...
      - docker build --cache-from $REPO_URL:cache -t $REPO_URL:latest .
      - docker build -t $REPO_URL:latest . 
      - docker tag $REPO_URL:latest $REPO_URL:$IMAGE_TAG
      - docker tag $REPO_URL:latest $REPO_URL:cache
  post_build:
    commands:
      - echo Build completed on `date`
      - echo Pushing the Docker images...
      - docker push $REPO_URL:cache
      - docker push $REPO_URL:$IMAGE_TAG