docker node

Dockerfile

FROM node:7-alpine 
RUN mkdir -p /src/app
WORKDIR /src/app
COPY package.json /src/app/package.json
RUN npm install
COPY . /src/app
EXPOSE 3000
CMD [ "npm", "start"]



*/

docker build -t $NAME 

docker run -d --name $NAME -p 3000:3000 $BUILD_NAME

You can set env variables 

docker run -d --name $NAME -e NODE_ENV=production -p 3000:3000 $BUILD_NAME

*/

To persist data and update container from dev code file: -
docker run -v $PATH?TO?FILE:/src/app --name $NAME -d -p 3000:3000 $BUILD_NAME