Dockerfile

# Use the official Node.js image as the base image
FROM node:14

# Create a non-root user and group
RUN groupadd -r appgroup && useradd -r -g appgroup -m appuser

# Set the working directory inside the container
WORKDIR /app

# Change ownership of the working directory to the non-root user
RUN chown -R appuser:appgroup /app

# Switch to the non-root user
USER appuser

# Copy package.json and package-lock.json to the working directory
COPY package*.json ./

# Install the dependencies
RUN npm ci

# Copy the rest of the application code to the working directory
COPY . .

# Expose the port the app will run on
EXPOSE 3001

# Start the application
CMD ["npm", "run", "dev"]