Dockerfile

# Use official Node.js image
FROM node:18-alpine

# Create app directory
WORKDIR /usr/src/app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source files
COPY . .

# Build the application
RUN npm run build

# Expose the port
EXPOSE 3000

# Start the application
CMD ["npm", "start"]