Create a Glue Crawler to create tables in a new or existing AWS Glue Data Catalog

Go to AWS Glue here.

Click Add tables using crawler. 

Give the Crawler a name and a description as above, and click Next

Is your data already mapped to Glue tables? Not Yet. Add a Data source:

S3 path should be the path exported to here, set this and click Add an S3 data source.

IAM role should be AWSGlueServiceRole-Obsgroups

Target Database: obsgroups

I've set this Crawler up to run monthly on the 19th at 22:09pm GMT

Summary view; Create Crawler.

Run Crawler:

It will say it has started