修改docker版本号为1.2.7

Author: iwind

docker/Dockerfile

@@ -1,7 +1,7 @@
 FROM alpine:latest
 LABEL maintainer="[email protected]"
 ENV TZ "Asia/Shanghai"
-ENV VERSION 1.2.6
+ENV VERSION 1.2.7
 ENV ROOT_DIR /usr/local/goedge
 ENV TAR_FILE edge-admin-linux-amd64-plus-v${VERSION}.zip
 ENV TAR_URL "https://dl.goedge.cn/edge/v${VERSION}/edge-admin-linux-amd64-plus-v${VERSION}.zip"