Docker FluentD logstream redaction

Example of Fluentd record_transformer

Logstream sensitive data redaction by matching & data transform on a stream

Attempt to build as many regexes as feasible for a policy like:
https://cloud.google.com/dlp/docs/infotypes-reference

usage:

$ docker-compose up
$ send_pii.sh 4111111111111111
$ docker exec -it bash
$ cd /fluentd/logs
tail the flogs to view the result