Imports github.com/aws/aws-sdk-go-v2/config github.com/aws/aws-sdk-go-v2/credentials github.com/aws/aws-sdk-go-v2/service/s3 github.com/go-playground/validator/v10 github.com/jackc/pgx/v4/stdlib github.com/jmoiron/sqlx go.uber.org/zap go.uber.org/zap/zapcore Standard library imports context encoding/json fmt math/rand mime net/http os path/filepath strings time