# ============================================================================
# Next.js Production Dockerfile
# ============================================================================

# Stage 1: Install dependencies
FROM node:20-alpine AS deps
WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

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

# Install dependencies
RUN pnpm install --frozen-lockfile

# Stage 2: Build the application
FROM node:20-alpine AS builder
WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy dependencies from deps stage
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Set environment variables for build
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production

# Build the application
RUN pnpm build

# Stage 3: Production runner
FROM node:20-alpine AS runner
WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Create non-root user for security
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy necessary files from builder
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Set correct permissions
RUN chown -R nextjs:nodejs /app

# Switch to non-root user
USER nextjs

# Expose port
EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start the application
CMD ["node", "server.js"]