AWS CodeBuild build spec for CloudFormation template project.

buildspec.yml

version: 0.2

phases:
  install:
    runtime-versions:
      python: 3.8
    commands:
      - pip install cfn-lint
      - cfn-lint -I -u
  pre_build:
    commands:
      - export PROJECT_NAME=$(echo ${CODEBUILD_BUILD_ID} | cut -d ':' -f 1)
      - export VERSION=$(basename ${CODEBUILD_SOURCE_VERSION})
      - export ARTIFACT_PREFIX=${PROJECT_NAME}/${VERSION}
  build:
    commands:
      - cfn-lint -I src/*
  post_build:
    commands:
      - |
        aws cloudformation package \
        --template-file src/input.yaml \
        --s3-bucket ${ARTIFACT_BUCKET} \
        --s3-prefix ${ARTIFACT_PREFIX} \
        --output-template-file output.yaml
      - |
        aws s3 cp \
        output.yaml \
        s3://${ARTIFACT_BUCKET}/${ARTIFACT_PREFIX}/ \
        --cache-control no-cache