💚 fix dockerfile

Dockerfile

@@ -1,8 +1,9 @@
-FROM golang:alpine as builder
+FROM alpine as builder
 LABEL stage=go-builder
 WORKDIR /app/
 COPY ./ ./
-RUN sh build.sh docker
+RUN apk add --no-cache bash git go=1.17.3-r0 gcc musl-dev; \
+    sh build.sh docker
 
 FROM alpine
 LABEL MAINTAINER="i@nn.ci"