# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files and install all dependencies (including devDependencies for TypeScript)
COPY package*.json ./
RUN npm install

# Copy source code and build
COPY . .
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files and install ONLY production dependencies
COPY package*.json ./
RUN npm install --omit=dev

# Copy built code from the builder stage
COPY --from=builder /app/dist ./dist

# Expose the port the app runs on
EXPOSE 3000

# Command to run the application
CMD ["npm", "start"]