fix dockerfile

Dockerfile

 #**********编译程序镜像*********
-FROM golang:1.22-rc as builder
+FROM golang:1.22-rc
 
 #切换到镜像中的工作目录，同cd命令
 WORKDIR /home/chainmaker-mpc-network
@@ -11,16 +11,8 @@ RUN go env -w GOPROXY=https://goproxy.cn,direct
 ADD ./ /home/chainmaker-mpc-network
 
 RUN cd /home/chainmaker-mpc-network && go mod tidy && \
-    go build -o port server.go && mv port /home/chainmaker-mpc-network
-
-#**********执行程序镜像*********
-FROM alpine:latest
-
-WORKDIR /home/chainmaker-mpc-network
-
-ADD port /home/chainmaker-mpc-network
-COPY conf/config.yaml /home/chainmaker-mpc-network/conf/config.yaml
+    go build -o port server.go
 
 #对外暴露的端口
 EXPOSE 8090
-CMD ["/home/chainmaker-mpc-network/port"]
\ No newline at end of file
+CMD ["/home/chainmaker-mpc-network/port"]