# ============================================================
# Base
# ============================================================
FROM node:20-alpine AS base
RUN apk add --no-cache libc6-compat tini
WORKDIR /app

# ============================================================
# Dependencies
# ============================================================
FROM base AS deps
COPY package*.json ./
RUN npm install

# ============================================================
# Development (hot reload)
# ============================================================
FROM base AS development
ENV NODE_ENV=development
ENV NEXT_TELEMETRY_DISABLED=1
COPY --from=deps /app/node_modules ./node_modules
COPY . .
EXPOSE 3000
ENTRYPOINT ["/sbin/tini", "--"]
CMD ["npm", "run", "dev"]

# ============================================================
# Build
# ============================================================
FROM base AS build
ENV NEXT_TELEMETRY_DISABLED=1
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# ============================================================
# Production
# ============================================================
FROM base AS production
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs
COPY --from=build /app/public ./public
COPY --from=build --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=build --chown=nextjs:nodejs /app/.next/static ./.next/static
USER nextjs
EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
ENTRYPOINT ["/sbin/tini", "--"]
CMD ["node", "server.js"]