dockerfile for dockerhub.datacamp

.dockerignore

@@ -0,0 +1,7 @@
+.tmp/
+node_modules/
+.env
+.newrelic_agent.log
+Procfile
+docker-compose.yml
+err.log

Dockerfile

@@ -5,13 +5,23 @@ MAINTAINER Ludovic Vannoorenberghe <ludo@datacamp.com>
 RUN apt-get update && apt-get install -y python build-essential
 
 RUN npm install -g node-gyp sails grunt bower npm-check-updates
-RUN mkdir /server
 
-# Define mountable directories.
-VOLUME ["/server"]
+ENV NODE_ENV production
+# use changes to package.json to force Docker not to use the cache
+# when we change our application's nodejs dependencies:
+ADD package.json /tmp/package.json
+RUN cd /tmp && npm cache clean && rm -rf node_modules && npm install --unsafe-perm --production
+RUN mkdir -p /opt/app && cp -a /tmp/node_modules /opt/app/
+
+# From here we load our application's code in, therefore the previous docker
+# "layer" thats been cached will be used if possible
+WORKDIR /opt/app
+ADD . /opt/app
 
-# Define working directory.
-WORKDIR /server
+# Define mountable directories.
+VOLUME ["/opt/app"]
 
-# Expose ports.
+#Expose port
 EXPOSE 1337
+
+CMD ["node", "app.js"]

docker-compose.yml

@@ -16,7 +16,7 @@ server:
   build: .
   command: node app.js --verbose
   volumes:
-    - .:/server
+    - .:/opt/app
   ports:
     - "1337:1337"
   environment: