diff --git a/Dockerfile b/Dockerfile
index 0f696d77ce8f67395dbb6aff5a3b4b5e795d22de..46ce44b8d65407829f818960053f20be3c40b6dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,9 +2,8 @@ FROM alpine:3.3
 
 USER root
 
-RUN apk -U upgrade && \
-    apk -U add --no-cache ca-certificates && \
-    update-ca-certificates
+RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.aliyun.com|g' /etc/apk/repositories
+RUN apk add --no-cache ca-certificates curl
 
 COPY bin/wechat-backend wechat-backend
 
diff --git a/Makefile b/Makefile
index 24d0f095831b7c81da5395b17706add4c3ed775b..5852550a582772d45fb59d50bb320a86a4c6629d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,9 @@
 build:
-	env GOOS=linux go build -o bin/wechat-backend
+	CGO_ENABLED=0 GOOS=linux go build -ldflags "-w -s" -a -installsuffix cgo -o bin/wechat-backend
+	upx bin/wechat-backend
+
+build-local:
+	env go build -o bin/wechat-backend
 	upx bin/wechat-backend
 
 image: build