diff --git a/backend/Gopkg.lock b/backend/Gopkg.lock
index 7d613a7c..ba8e88e0 100644
--- a/backend/Gopkg.lock
+++ b/backend/Gopkg.lock
@@ -126,12 +126,12 @@
   version = "v0.3.1"
 
 [[projects]]
-  digest = "1:01f2a0dea4785957fb0832580a244e693c710130e2785e4a2f73cc7872cdfa82"
+  digest = "1:479ca4406d1521b92615374d807581ccfdb1b971abc3bac7e29c1fc83c988745"
   name = "github.com/go-pkgz/lgr"
   packages = ["."]
   pruneopts = "UT"
-  revision = "5bea4c7108c41005f69ad77c05f516b2228837e2"
-  version = "v0.1.3"
+  revision = "07dcefe903e40f6c93674e1b85f84764552665b0"
+  version = "v0.2.0"
 
 [[projects]]
   digest = "1:1212e114344a5cdcc834ea69e19d456eef230f9784659080fee67e02ba2cb574"
diff --git a/backend/app/main.go b/backend/app/main.go
index 171a8830..c49963ab 100644
--- a/backend/app/main.go
+++ b/backend/app/main.go
@@ -62,8 +62,10 @@ func main() {
 
 func setupLog(dbg bool) {
 	if dbg {
-		log.Setup(log.Debug, log.Caller)
+		log.Setup(log.Debug, log.CallerFile, log.Msec, log.LevelBraces)
+		return
 	}
+	log.Setup(log.Msec, log.LevelBraces)
 }
 
 // getDump reads runtime stack and returns as a string
diff --git a/backend/vendor/github.com/go-pkgz/lgr/interface.go b/backend/vendor/github.com/go-pkgz/lgr/interface.go
index 44b97177..a0d9ed4f 100644
--- a/backend/vendor/github.com/go-pkgz/lgr/interface.go
+++ b/backend/vendor/github.com/go-pkgz/lgr/interface.go
@@ -1,6 +1,9 @@
 package lgr
 
-import stdlog "log"
+import (
+	stdlog "log"
+	"os"
+)
 
 var def = New() // default logger doesn't allow DEBUG and doesn't add caller info
 
@@ -31,6 +34,12 @@ func Print(line string) {
 	def.Logf(line)
 }
 
+// Fatalf simplifies replacement of std logger
+func Fatalf(format string, args ...interface{}) {
+	def.Logf(format, args...)
+	os.Exit(1)
+}
+
 // Setup default logger with options
 func Setup(opts ...Option) {
 	def = New(opts...)
diff --git a/backend/vendor/github.com/go-pkgz/lgr/logger.go b/backend/vendor/github.com/go-pkgz/lgr/logger.go
index ac67af91..02808d79 100644
--- a/backend/vendor/github.com/go-pkgz/lgr/logger.go
+++ b/backend/vendor/github.com/go-pkgz/lgr/logger.go
@@ -14,13 +14,15 @@ var levels = []string{"DEBUG", "INFO", "WARN", "ERROR", "PANIC", "FATAL"}
 
 // Logger provided simple logger with basic support of levels. Thread safe
 type Logger struct {
-	stdout, stderr io.Writer
-	dbg            bool
-	lock           sync.Mutex
-	callers        bool
-	now            nowFn
-	fatal          panicFn
-	skipCallers    int
+	stdout, stderr         io.Writer
+	dbg                    bool
+	lock                   sync.Mutex
+	callerFile, callerFunc bool
+	now                    nowFn
+	fatal                  panicFn
+	skipCallers            int
+	levelBraces            bool
+	msec                   bool
 }
 
 type nowFn func() time.Time
@@ -48,24 +50,43 @@ func New(options ...Option) *Logger {
 // FATAL adds runtime stack and os.exit(1), like panic.
 func (l *Logger) Logf(format string, args ...interface{}) {
 
+	// format timestamp with or without msecs
+	ts := func() (res string) {
+		if l.msec {
+			return l.now().Format("2006/01/02 15:04:05.000 ")
+		}
+		return l.now().Format("2006/01/02 15:04:05 ")
+	}
+
 	lv, msg := l.extractLevel(fmt.Sprintf(format, args...))
+	if lv == "DEBUG " && !l.dbg {
+		return
+	}
 	var bld strings.Builder
-	bld.WriteString(l.now().Format("2006/01/02 15:04:05.000 "))
+	bld.WriteString(ts())
 	bld.WriteString(lv)
 
-	if l.dbg && l.callers {
+	if l.dbg && (l.callerFile || l.callerFunc) {
 		if pc, file, line, ok := runtime.Caller(l.skipCallers); ok {
-			fnameElems := strings.Split(file, "/")
-			funcNameElems := strings.Split(runtime.FuncForPC(pc).Name(), "/")
-			srcFileInfo := fmt.Sprintf("{%s:%d %s} ", strings.Join(fnameElems[len(fnameElems)-2:], "/"),
-				line, funcNameElems[len(funcNameElems)-1])
+
+			funcName := ""
+			if l.callerFunc {
+				funcNameElems := strings.Split(runtime.FuncForPC(pc).Name(), "/")
+				funcName = funcNameElems[len(funcNameElems)-1]
+			}
+			fileInfo := ""
+			if l.callerFile {
+				fnameElems := strings.Split(file, "/")
+				fileInfo = fmt.Sprintf("%s:%d", strings.Join(fnameElems[len(fnameElems)-2:], "/"), line)
+				if l.callerFunc {
+					fileInfo += " "
+				}
+			}
+			srcFileInfo := fmt.Sprintf("{%s%s} ", fileInfo, funcName)
 			bld.WriteString(srcFileInfo)
 		}
 	}
 
-	if lv == "DEBUG " && !l.dbg {
-		return
-	}
 	bld.WriteString(msg)  //nolint
 	bld.WriteString("\n") //nolint
 
@@ -86,19 +107,27 @@ func (l *Logger) Logf(format string, args ...interface{}) {
 }
 
 func (l *Logger) extractLevel(line string) (level, msg string) {
+
+	brace := func(b string) string {
+		if l.levelBraces {
+			return b
+		}
+		return ""
+	}
+
 	spaces := " "
 	for _, lv := range levels {
 		if strings.HasPrefix(line, lv) {
 			if len(lv) == 4 {
 				spaces = "  "
 			}
-			return lv + spaces, line[len(lv)+1:]
+			return brace("[") + lv + brace("]") + spaces, line[len(lv)+1:]
 		}
 		if strings.HasPrefix(line, "["+lv+"]") {
 			if len(lv) == 4 {
 				spaces = "  "
 			}
-			return lv + spaces, line[len(lv)+3:]
+			return brace("[") + lv + brace("]") + spaces, line[len(lv)+3:]
 		}
 	}
 	return "", line
@@ -137,7 +166,22 @@ func Debug(l *Logger) {
 	l.dbg = true
 }
 
-// Caller adds caller info with func, file, and line number
-func Caller(l *Logger) {
-	l.callers = true
+// CallerFile adds caller info with file, and line number
+func CallerFile(l *Logger) {
+	l.callerFile = true
+}
+
+// CallerFunc adds caller info with function name
+func CallerFunc(l *Logger) {
+	l.callerFunc = true
+}
+
+// LevelBraces adds [] to level
+func LevelBraces(l *Logger) {
+	l.levelBraces = true
+}
+
+// Msec adds .msec to timestamp
+func Msec(l *Logger) {
+	l.msec = true
 }