# Dockerfile example for Node

```bash
# Step 1
# Use Node 8 as base image
FROM node:8

# Step 2
# Create app directory (next steps will be executed relative to this directory)
WORKDIR /usr/src/app

# Step 3
# Copy source (skip files/folders listed in .dockerignore)
COPY . .

# Step 4
# Install node modules
RUN npm install

# Step 5
# Define available ports for host OS
EXPOSE 9500

# Step 6
# Start application
CMD ["npm", "start"]



# Usage:
# (1) Build image - docker build -t my-node-app .
# (2) Run image   - docker run -p 9600:9500 -d my-node-app
```