add Dockerfile

Dockerfile

@@ -0,0 +1,23 @@
+FROM node:6.10-alpine
+
+ENV APP_VERSION v1.0.0-RC5
+ENV APP_DIR /opt/crowi-plus
+
+RUN apk add --no-cache --update tar
+RUN apk add --no-cache --virtual .dl-deps curl \
+    && mkdir -p ${APP_DIR} \
+    && curl -SL https://github.com/weseek/crowi-plus/archive/${APP_VERSION}.tar.gz \
+        | tar -xz -C ${APP_DIR} --strip-components 1 \
+    && apk del .dl-deps
+
+WORKDIR ${APP_DIR}
+
+RUN apk add --no-cache --virtual .build-deps git \
+    && yarn global add npm@4 \
+    && yarn install --production \
+    && npm run build:prod \
+    && yarn cache clean \
+    && apk del .build-deps
+
+VOLUME /data
+CMD ["npm", "run", "server:prod"]