Added KMS Server Docker Image

Signed-off-by: Teddysun <i@teddysun.com>

docker/kms/Dockerfile

@@ -0,0 +1,29 @@
+# Dockerfile for KMS Server
+# Copyright (C) 2018 Teddysun <i@teddysun.com>
+# Reference URL:
+# https://github.com/Wind4/vlmcsd
+
+FROM alpine:latest
+MAINTAINER Teddysun <i@teddysun.com>
+
+ENV KMS_RELEASE https://github.com/Wind4/vlmcsd/archive/master.zip
+
+RUN apk add --no-cache --virtual .build-deps \
+    g++ \
+    gcc \
+    wget \
+    make \
+    unzip \
+    && cd /tmp \
+    && wget -O vlmcsd.zip $KMS_RELEASE \
+    && unzip vlmcsd.zip \
+    && cd vlmcsd-master \
+    && make \
+    && cp -p bin/vlmcsd /usr/bin/ \
+    && chmod 755 /usr/bin/vlmcsd \
+    && rm -rf /tmp/vlmcsd.zip /tmp/vlmcsd-master \
+    && apk del .build-deps
+
+EXPOSE 1688
+
+CMD [ "/usr/bin/vlmcsd", "-D" ]