image: python:3.7-alpine

variables:
  HUGO_VERSION: '0.53'  # https://github.com/gohugoio/hugo/releases
  HUGO_SHA: '0e4424c90ce5c7a0c0f7ad24a558dd0c2f1500256023f6e3c0004f57a20ee119'  # xxx_Linux-64bit.tar.gz
  AWSCLI_VERSION: '1.16.220'  # https://github.com/aws/aws-cli/blob/master/CHANGELOG.rst

before_script:
  # update alpine
  - apk update && apk add openssl curl coreutils git

  # download and install Hugo
  - wget https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_${HUGO_VERSION}_Linux-64bit.tar.gz
  - echo "${HUGO_SHA}  hugo_${HUGO_VERSION}_Linux-64bit.tar.gz" | sha256sum -c
  - tar xf hugo_${HUGO_VERSION}_Linux-64bit.tar.gz && cp ./hugo /usr/bin

  # install awscli
  - pip install --quiet --no-cache-dir awscli==${AWSCLI_VERSION}

deploy:
  script:
    # build site
    - rm -rf public
    - hugo --gc

    # upload all files
    - aws s3 sync ./public s3://$S3_BUCKET_NAME --delete --region us-east-1 --cache-control "max-age=3600, public" --metadata-directive "REPLACE"

    # purge CloudFlare cache
    - >-
        curl -X POST "https://api.cloudflare.com/client/v4/zones/${CLOUDFLARE_ZONE}/purge_cache" -H "X-Auth-Email: ${CLOUDFLARE_EMAIL}" -H "X-Auth-Key: ${CLOUDFLARE_KEY}" -H "Content-Type: application/json" --data '{"purge_everything":true}'

  only:
    - master