Imports
- github.com/buptmiao/microservice-app/apigateway
- github.com/buptmiao/microservice-app/client/feed
- github.com/buptmiao/microservice-app/client/profile
- github.com/buptmiao/microservice-app/client/topic
- github.com/facebookgo/grace/gracehttp
- github.com/gin-gonic/gin
- github.com/go-kit/kit/log
- github.com/go-kit/kit/sd/etcd
- github.com/opentracing/opentracing-go
- github.com/openzipkin/zipkin-go-opentracing
- github.com/prometheus/client_golang/prometheus
- golang.org/x/net/context