FROM centos:centos6 RUN yum install -y epel-release RUN yum install -y nodejs npm # Create app directory RUN mkdir -p /usr/src/app WORKDIR /usr/src/app # Install app dependencies COPY package.json /usr/src/app/ RUN npm install # Bundle app source COPY . /usr/src/app EXPOSE 7777 CMD [ "npm", "start" ]