update

ghost/Dockerfile

@@ -5,16 +5,14 @@ WORKDIR /tmp
 ADD https://deb.nodesource.com/setup /tmp/
 ADD https://ghost.org/zip/ghost-latest.zip /tmp/
 RUN bash setup
-RUN apt-get install -y build-essential nodejs unzip
+RUN apt-get install -y nodejs unzip
 RUN unzip ghost-latest.zip -d /ghost
 
 WORKDIR /ghost
-RUN sed -e 's@127.0.0.1@0.0.0.0@' \
-        -e 's@http://my-ghost-blog.com/@/@' \
-        config.example.js > config.js
+RUN sed -e 's@127.0.0.1@0.0.0.0@' config.example.js > config.js
 RUN npm install --production
 
-VOLUME /ghost/content/data/
+VOLUME /ghost
 EXPOSE 2368
 
 CMD NODE_ENV=production npm start