Imports github.com/fln/pcors github.com/go-sql-driver/mysql github.com/pkg/errors github.com/vrischmann/envconfig github.com/go-zoo/bone github.com/Sirupsen/logrus github.com/20170819lgg/sts/core github.com/20170819lgg/sts/db Standard library imports context database/sql encoding/json net/http os os/signal sort strconv syscall