Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/awserr github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3 github.com/jmoiron/sqlx github.com/lib/pq github.com/pkg/errors Standard library imports bytes context crypto/sha256 database/sql encoding/hex encoding/json errors fmt io/ioutil log math/rand net/url os path path/filepath regexp strings sync time