更新 Dockerfile

@@ -20,7 +20,7 @@ RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
     && echo "Asia/Shanghai" > /etc/timezone \
     && rm -rf /var/cache/apk/* /tmp/* /var/tmp/* $HOME/.cache ## 清除缓存
 WORKDIR /root/
-COPY --from=builder /go/src/opp .
+COPY --from=builder /go/src/openapi .
 
 EXPOSE 8080
 CMD ["./openapi"]
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