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main.go
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main.go
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package main
import (
"github.com/go-chi/chi"
"github.com/go-chi/chi/middleware"
"github.com/purini-to/zapmw"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"net/http"
)
var cnt = 1
func withRequestID(logger *zap.Logger, r *http.Request) *zap.Logger {
reqID := middleware.GetReqID(r.Context())
if len(reqID) == 0 {
return logger
}
return logger.With(zap.String("reqId", reqID))
}
func main() {
logger, _ := zap.NewDevelopment()
r := chi.NewRouter()
r.Use(
middleware.RequestID,
zapmw.WithZap(logger, withRequestID), // logger with request id.
zapmw.Request(zapcore.InfoLevel, "request"),
zapmw.Recoverer(zapcore.ErrorLevel, "recover", zapmw.RecovererDefault),
)
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
logger := zapmw.GetZap(r)
logger.Debug("access!", zap.Int("cnt", cnt))
w.Write([]byte("Hello world"))
cnt++
})
http.ListenAndServe(":3000", r)
}