# Base node image
FROM node:20-alpine AS base
WORKDIR /app

# Dependencies stage
FROM base AS deps
COPY package.json package-lock.json ./
RUN npm ci

# Builder stage
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Runner stage
FROM base AS runner
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 necessary files and set permissions
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"]