build: add Dockerfile.cloudnet

build/docker/Dockerfile.cloudnet

@@ -0,0 +1,15 @@
+FROM frolvlad/alpine-glibc:glibc-2.28
+
+MAINTAINER "Zexi Li <lizexi@yunionyun.com>"
+
+RUN apk update && \
+    apk add --no-cache tzdata && \
+    rm -rf /var/cache/apk/*
+
+RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
+
+ENV TZ Asia/Shanghai
+
+RUN mkdir -p /opt/yunion/bin
+
+ADD ./_output/bin/cloudnet /opt/yunion/bin/cloudnet