diff --git a/Dockerfile b/Dockerfile
index 8f45dce..e5642c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,12 @@ RUN set -x \
     && export GOGC=off \
     && export CGO_ENABLED=0 \
     && [ -d "./vendor" ] || go mod vendor \
-    && go build -v -mod=vendor -trimpath -gcflags "all=-N -l" -ldflags "${LDFLAGS}" -o /go/bin/neofs-s3 ./cmd/gate \
+    && go build \
+      -v \
+      -mod=vendor \
+      -trimpath \
+      -ldflags "${LDFLAGS} -X main.Build=$(date -u +%s%N) -X main.Prefix=S3_GW" \
+      -o /go/bin/neofs-s3 ./cmd/gate \
     && upx -3 /go/bin/neofs-s3
 
 # Executable image
diff --git a/cmd/gate/app-settings.go b/cmd/gate/app-settings.go
index 72c90c6..ea578b2 100644
--- a/cmd/gate/app-settings.go
+++ b/cmd/gate/app-settings.go
@@ -40,6 +40,7 @@ const ( // settings
 	cfgLoggerLevel              = "logger.level"
 	cfgLoggerFormat             = "logger.format"
 	cfgLoggerTraceLevel         = "logger.trace_level"
+	cfgLoggerNoCaller           = "logger.no_caller"
 	cfgLoggerNoDisclaimer       = "logger.no_disclaimer"
 	cfgLoggerSamplingInitial    = "logger.sampling.initial"
 	cfgLoggerSamplingThereafter = "logger.sampling.thereafter"
@@ -171,6 +172,7 @@ func newSettings() *viper.Viper {
 	v.SetDefault(cfgLoggerLevel, "debug")
 	v.SetDefault(cfgLoggerFormat, "console")
 	v.SetDefault(cfgLoggerTraceLevel, "panic")
+	v.SetDefault(cfgLoggerNoCaller, false)
 	v.SetDefault(cfgLoggerNoDisclaimer, true)
 	v.SetDefault(cfgLoggerSamplingInitial, 1000)
 	v.SetDefault(cfgLoggerSamplingThereafter, 1000)
diff --git a/cmd/gate/main.go b/cmd/gate/main.go
index ab0b183..7048af3 100644
--- a/cmd/gate/main.go
+++ b/cmd/gate/main.go
@@ -9,23 +9,23 @@ import (
 
 func newLogger(v *viper.Viper) *zap.Logger {
 	options := []logger.Option{
-		logger.WithLevel(v.GetString("logger.level")),
-		logger.WithTraceLevel(v.GetString("logger.trace_level")),
+		logger.WithLevel(v.GetString(cfgLoggerLevel)),
+		logger.WithTraceLevel(v.GetString(cfgLoggerTraceLevel)),
 
-		logger.WithFormat(v.GetString("logger.format")),
+		logger.WithFormat(v.GetString(cfgLoggerFormat)),
 
-		logger.WithSamplingInitial(v.GetInt("logger.sampling.initial")),
-		logger.WithSamplingThereafter(v.GetInt("logger.sampling.thereafter")),
+		logger.WithSamplingInitial(v.GetInt(cfgLoggerSamplingInitial)),
+		logger.WithSamplingThereafter(v.GetInt(cfgLoggerSamplingThereafter)),
 
-		logger.WithAppName(v.GetString("app_name")),
-		logger.WithAppVersion(v.GetString("app_version")),
+		logger.WithAppName(v.GetString(cfgApplicationName)),
+		logger.WithAppVersion(v.GetString(cfgApplicationVersion)),
 	}
 
-	if v.GetBool("logger.no_caller") {
+	if v.GetBool(cfgLoggerNoCaller) {
 		options = append(options, logger.WithoutCaller())
 	}
 
-	if v.GetBool("logger.no_disclaimer") {
+	if v.GetBool(cfgLoggerNoDisclaimer) {
 		options = append(options, logger.WithoutDisclaimer())
 	}
 
diff --git a/misc/build.go b/misc/build.go
index cb05cda..aedd352 100644
--- a/misc/build.go
+++ b/misc/build.go
@@ -1,12 +1,11 @@
 package misc
 
-const (
-	Prefix = "S3"
-
-	ApplicationName = "neofs-s3-gate"
-)
+const ApplicationName = "neofs-s3-gate"
 
 var (
+	// TODO should be replaced with S3_GW before release
+	Prefix = "S3"
+
 	Build   = "now"
 	Version = "dev"
 )