diff --git a/ghost/Dockerfile b/ghost/Dockerfile
index b73e855..1f21eef 100644
--- a/ghost/Dockerfile
+++ b/ghost/Dockerfile
@@ -9,10 +9,12 @@ RUN apt-get install -y build-essential nodejs unzip
 RUN unzip ghost-latest.zip -d /ghost
 
 WORKDIR /ghost
-RUN sed 's/127.0.0.1/0.0.0.0/' config.example.js > config.js
+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 npm install --production
 
-VOLUMN /ghost/content/data/
+VOLUME /ghost/content/data/
 EXPOSE 2368
 
 CMD NODE_ENV=production npm start