update docs

Dockerfile

@@ -1,9 +1,12 @@
 FROM node:6.10-alpine
+MAINTAINER Yuki Takei <yuki@weseek.co.jp>
 
-ENV APP_VERSION v1.0.0-RC5
+ENV APP_VERSION v1.0.0-RC6
 ENV APP_DIR /opt/crowi-plus
 
+# update tar for '--strip-components' option
 RUN apk add --no-cache --update tar
+# download crowi-plus
 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 \
@@ -12,6 +15,7 @@ RUN apk add --no-cache --virtual .dl-deps curl \
 
 WORKDIR ${APP_DIR}
 
+# setup
 RUN apk add --no-cache --virtual .build-deps git \
     && yarn global add npm@4 \
     && yarn install --production \

README.md

@@ -3,7 +3,7 @@
 crowi-plus
 ===========
 
-[![Deploy](https://www.herokucdn.com/deploy/button.png)](https://heroku.com/deploy?template=https://github.com/weseek/crowi-plus/tree/v1.0.0-RC2)
+[![Deploy](https://www.herokucdn.com/deploy/button.png)](https://heroku.com/deploy?template=https://github.com/weseek/crowi-plus/tree/v1.0.0-RC6)
 
 [![wercker status](https://app.wercker.com/status/39cdc49d067d65c39cb35d52ceae6dc1/s/master "wercker status")](https://app.wercker.com/project/byKey/39cdc49d067d65c39cb35d52ceae6dc1)
 [![dependencies status](https://david-dm.org/weseek/crowi-plus.svg)](https://david-dm.org/weseek/crowi-plus)