Required environment variables:
- ELASTICSEARCH_HOST
- S3_BUCKET
- REGION
- ROLE_ARN
- INDICES
See Working with Amazon Elasticsearch Service Index Snapshots for more details. This container is based on the sample script provided there.
AWS related environment variables (if you don't use the instance profiles):
- AWS_ACCESS_KEY_ID
- AWS_SECRET_ACCESS_KEY
- AWS_DEFAULT_REGION