# Dependencies stage
FROM node:20-alpine AS deps
WORKDIR /app

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

# Install dependencies
RUN npm ci || npm install

# Builder stage
FROM node:20-alpine AS builder
WORKDIR /app

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

# Set environment variable for build
ENV NEXT_TELEMETRY_DISABLED=1

# Build the application
RUN npm run build

# Runner stage
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

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

# Copy built application
COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

CMD ["node", "server.js"]