update Dockergile

Dockerfile

 # Use the official Go image as the base image
-FROM golang:1.19-alpine
+FROM golang:1.19-alpine AS build
 
-# 安装 gcc
-RUN apk --no-cache add gcc musl-dev
+RUN apk update && \
+    apk upgrade && \
+    apk add --no-cache bash git openssh make build-base
 
-# Set the working directory inside the container
-WORKDIR /app
+RUN go env -w CGO_ENABLED="1"
 
-# Copy the Go modules files
-COPY go.mod go.sum ./
+ADD . /app
 
-# Copy the source code to the container
-COPY . .
+# Build the Go application
+RUN cd /app && go build -o main .
 
-# Download the Go modules
-RUN go get
+FROM alpine
 
-# Build the Go application
-RUN go build -o main .
+WORKDIR /app
+
+COPY  --from=build /app/main /app/main
+
+COPY . .
 
-# Expose the port that the application listens on
 EXPOSE 8888
 
-# Run the Go application
 CMD ["./main"]
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