# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Install pnpm
RUN npm install -g pnpm

# Copy package files
COPY pnpm-lock.yaml package.json ./

# Install dependencies
RUN pnpm install --frozen-lockfile

# Copy source code
COPY . .

# Build application
RUN pnpm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Install pnpm
RUN npm install -g pnpm

# Set environment to production
ENV NODE_ENV=production

# Copy package files from builder
COPY package.json pnpm-lock.yaml ./

# Install production dependencies only
RUN pnpm install --prod --frozen-lockfile

# Copy built application from builder stage
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public

# Expose port
EXPOSE 3000

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