Change to use ULID as request ID.

glide.yaml

@@ -1,7 +1,6 @@
 package: github.com/drkaka/lg
 import:
-- package: github.com/satori/go.uuid
-  version: ^1.1.0
+- package: github.com/drkaka/ulid
 - package: go.uber.org/zap
   version: ^1.0.0
   subpackages:

lg.go

@@ -6,10 +6,9 @@ import (
 	"net/http"
 	"time"
 
+	"github.com/drkaka/ulid"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
-
-	uuid "github.com/satori/go.uuid"
 )
 
 var (
@@ -60,16 +59,17 @@ func L(ctx context.Context) *zap.Logger {
 // LogRequest to log every request.
 func LogRequest(next http.Handler) http.Handler {
 	fn := func(w http.ResponseWriter, r *http.Request) {
+		// Start timer
+		start := time.Now()
+
 		// Add a requestID field to logger
-		l := log.With(zap.String("requestID", uuid.NewV1().String()))
+		uid, _ := ulid.NewFromTime(start)
+		l := log.With(zap.String("requestID", uid.String()))
 		// Add logger to context
 		ctx := context.WithValue(r.Context(), requestIDKey, l)
 		// Request with this new context.
 		r = r.WithContext(ctx)
 
-		// Start timer
-		start := time.Now()
-
 		// wrap the ResponseWriter
 		lw := &basicWriter{ResponseWriter: w}