Gzip static website, upload to S3 and Invalidate cached Cloudfront files

s3_gzip_cloudfront.sh

#!/usr/bin/env bash
set -ex

if [ "$#" -ne 1 ]; then
  echo "missing bucket name parameter"
  exit 1;
fi

BUCKET=$1

if [ ! -d gzip ]; then
  mkdir -p gzip;
fi

echo "Running rsync"
rsync -a --delete . gzip --exclude 'gzip' --exclude 's3_gzip_cloudfront.sh' --exclude '.DS_Store'

echo "GZipping files"
find ./gzip \( -iname '*.html' -o -iname '*.css' -o -iname '*.xml' -o -iname '*.js' -o -iname '*.txt' -o -iname '*.js.map' -o -iname '*.css.map' \) \
  \! \( -iname 'assets/images' -o -iname 'assets/fonts' \) \
  -exec gzip -9 {} \; \
  -exec mv {}.gz {} \; \
  -exec gzip -t {} \;

echo "Syncing images"
aws s3 sync gzip/assets/images s3://$BUCKET/assets/images --delete --cache-control="max-age=31556926"

echo "Syncing fonts"
aws s3 sync gzip/assets/fonts s3://$BUCKET/assets/fonts --delete --cache-control="max-age=31556926"

echo "Syncing files to S3"
aws s3 sync gzip/ s3://$BUCKET/ --delete --cache-control="max-age=31556926" --content-encoding='gzip' --exclude "assets/images/*" --exclude "assets/fonts/*"

echo "Creating cloudfront cache invalidation"
DISTRIBUTION_ID=$(aws cloudfront list-distributions | jq -r '.[]["Items"][] | select(.DefaultCacheBehavior.TargetOriginId=="S3-"+"'$BUCKET'") | .Id')
aws cloudfront create-invalidation --distribution-id $DISTRIBUTION_ID --paths '/*'

echo "Cleaning up gzip folder"
rm -rf gzip

echo "done"