LocalData/localdata-tiles — pull request #94 by prashtx (2014-03-10 22:33:46+00:00)
Title: Allow disabling of cache through an env variable

Unsetting the S3 key config is more cumbersome, and we might want to have S3 credentials on the service for one-off dynos or other needs (like a cache clearing maintenance script).

/cc @hampelm