Skip to main content

Creating a Dockerfile

Build image and run container for production​

Create file:

Dockerfile
FROM node:alpine
WORKDIR /usr/src/app
COPY ./package.json .
RUN npm install
COPY . .
EXPOSE 3000
CMD ["npm", "run", "start"]

Run commands:

# Build image
docker build -t nodeapp .

# Run container
docker run --name my-node-app -p 8000:3001 -v $(pwd):/usr/src/app -v /usr/src/app/node_modules nodeapp

Build image and run container for development​

Create file:

Dockerfile.dev
FROM node:alpine
WORKDIR /usr/src/app
COPY ./package.json .
RUN npm install
COPY . .
EXPOSE 3000
CMD ["npm", "run", "start:dev"]

Run commands:

# Build image
docker build -t nodeapp:v2 -f Dockerfile.dev .

# Run container for development
docker run --name my-node-app-dev -p 8001:3001 -v $(pwd):/usr/src/app -v /usr/src/app/node_modules nodeapp:v2