diff --git a/.gitignore b/.gitignore
index 389256f..7a972b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,5 @@ _testmain.go
 *.prof
 client/client
 server/server
+build/*
+.DS_Store
diff --git a/build/build-release.sh b/build-release.sh
similarity index 98%
rename from build/build-release.sh
rename to build-release.sh
index 1aecb3d..7d9cf49 100755
--- a/build/build-release.sh
+++ b/build-release.sh
@@ -1,4 +1,8 @@
 #!/bin/bash
+BUILD_DIR=$(dirname "$0")/build
+mkdir -p $BUILD_DIR
+cd $BUILD_DIR
+
 sum="sha1sum"
 
 echo "If you need reproducible build, export GO111MODULE=on first"