Dockerfile

# Stage 1: Build the application
FROM node:18 AS builder

# Set working directory
WORKDIR /

# Copy package.json and package-lock.json
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy the rest of the application code
COPY . .

# Build the application
RUN npm run build

# Stage 2: Run the application
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Copy only the necessary files from the builder stage
COPY --from=builder /dist ./dist
COPY --from=builder /node_modules ./node_modules
COPY --from=builder /package*.json ./

# Expose the port the app runs on
EXPOSE 3000

# Command to run the application
CMD ["node", "dist/src/main.js"]