From https://github.com/aleicher/mongo-azure-backup
| variable | description |
|---|---|
| MONGO_URI | mongo host URI |
| AZURE_SA | Azure Storage account name |
| AZURE_BLOB_CONTAINER | name of the azure storage blob container |
| AZURE_DESTINATION_KEY | azure storage account destination key |
| DB | name of mongo database to backup |
| MONGO_USERNAME | username for mongodb |
| MONGO_PASSWORD | password to authenticate against mongodb |
| MONGO_AUTH_DB | name of mongo authentication database |