Imports cloud.google.com/go/logging cloud.google.com/go/pubsub cloud.google.com/go/storage github.com/chai2010/webp github.com/disintegration/imaging github.com/monstercat/golib/logger google.golang.org/api/option Standard library imports bytes context crypto/sha1 encoding/json errors fmt image image/jpeg image/png io log net/http net/url os path path/filepath strconv strings time