Setting your TravisCI enviornment variables
Set the following enviornment variables in your TravisCI settings for your repository:
ARTIFACTS_KEY=(AWS access key id)
ARTIFACTS_SECRET=(AWS secret access key)
ARTIFACTS_BUCKET=(S3 bucket name)
Setting your TravisCI config
addons:
  artifacts:
    paths:
#   - filename of file to upload 
#   - you can also do commands like $(ls logs/*.log | tr "\n" ":")