# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Install build tools for native modules
RUN apk add --no-cache python3 make g++

# Copy root package files for workspace install
COPY package*.json ./
COPY frontend/package*.json ./frontend/

# Install dependencies
RUN npm install --legacy-peer-deps

# Copy frontend source
COPY frontend/ ./frontend/

# Build Next.js app
WORKDIR /app/frontend
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./
COPY frontend/package*.json ./frontend/

# Copy node_modules from builder (includes compiled native modules)
COPY --from=builder /app/node_modules ./node_modules

# Copy built files from builder
COPY --from=builder /app/frontend/.next ./frontend/.next
COPY --from=builder /app/frontend/public ./frontend/public
COPY --from=builder /app/frontend/next.config.js ./frontend/

WORKDIR /app/frontend

# Expose port
EXPOSE 3000

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