Set the following environment variables:
export AZURE_STORAGE_ACCOUNT=<azure storage account>
export AZURE_STORAGE_ACCESS_KEY=<azure storage access key>
export AZURE_TO_S3_CONTAINER=<azure container name>
export AWS_ACCESS_KEY_ID=<aws access key id>
export AWS_SECRET_ACCESS_KEY=<aws secret access key>
export AWS_REGION=<aws region ("us-east-1")>
export AZURE_TO_S3_BUCKET=<aws s3 bucket>
# if using postgres local storage...
export AZURE_TO_S3_POSTGRES=<postgres db name or connection string>
./bin/put_to_s3
ADAPTER=postgres ./bin/fetch_from_azure
ADAPTER=postgres ./bin/put_to_s3