Elastic CI Stack for AWS v3.3.0

Changed

• Bump Amazon Linux to 2018.03 #471 (@lox)
• Bump docker to 18.03.1-ce and docker-compose to 1.22.0 #455 (@lox)
• Support attaching multiple policies via the parameter #446 (@zsims)

Fixed

• Set correct variable to pass to upstream ecr plugin #453 (@bshelton229)
• Use exit instead of return in bk-check-disk-space.sh script #440 (@arturopie)
• Move cleanup cron jobs to run hourly #429 (@arturopie)

Upgrading

Perform a CloudFormation stack update with the following URL:
https://s3.amazonaws.com/buildkite-aws-stack/v3.3.0/aws-stack.json

If you want to launch a new stack, you can use this link (make sure not to use your production AWS account, create a new one for CI):

Documentation

See the Readme for this release.