Dockerfile

# Use Node.js 20 base image instead of 16
FROM node:20-alpine

# Create app directory
WORKDIR /usr/src/app

# Update npm globally to version 11.4.2
RUN npm install -g npm@11.4.2

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source code
COPY src/ ./src/

# Expose port
EXPOSE 3000

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