Imports github.com/ONSdigital/dp-healthcheck/healthcheck github.com/ONSdigital/dp-s3 github.com/ONSdigital/log.go/v2/log github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3/s3manager Standard library imports context crypto/rand encoding/hex fmt io net/url path