Update Dockerfile

Dockerfile

@@ -1,7 +1,6 @@
 FROM linweiyuan/chatgpt-proxy-server-warp
 
 ENV SUDO_USER_NAME dvc890
-ENV MIRROR_URL 'https://mirrors.bfsu.edu.cn/archlinux/$repo/os/$arch'
 
 WORKDIR /app
 
@@ -11,7 +10,6 @@ ENV PATH="/usr/local/go/bin:${PATH}"
 COPY . .
 RUN go build -ldflags="-w -s" -o go-chatgpt-api main.go
 
-COPY --from=builder /app/go-chatgpt-api .
 RUN apk add --no-cache tzdata
 ENV TZ=Asia/Shanghai
 EXPOSE 8080