major restructure
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# =============================================================================
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# Multi-stage Dockerfile for Next.js Frontend
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# =============================================================================
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# Usage:
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# Development: docker compose up (mounts source, hot reload)
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# Production: docker compose -f docker-compose.yml -f docker-compose.prod.yml up
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# =============================================================================
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# Stage 1: Dependencies (cached layer)
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# =============================================================================
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FROM node:18-alpine AS deps
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WORKDIR /app
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# Copy only package files for dependency installation
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COPY package*.json ./
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# Install ALL dependencies (including devDependencies for dev mode)
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RUN npm ci
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# =============================================================================
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# Stage 2: Development (hot reload, source mounted)
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# =============================================================================
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FROM node:18-alpine AS development
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WORKDIR /app
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# Copy dependencies from deps stage
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COPY --from=deps /app/node_modules ./node_modules
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# Copy package files (for npm scripts)
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COPY package*.json ./
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# Copy config files
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COPY next.config.js postcss.config.js tailwind.config.js tsconfig.json ./
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# Note: src/ and public/ are mounted at runtime for hot reload
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# Start dev server
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EXPOSE 3000
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CMD ["npm", "run", "dev"]
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# =============================================================================
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# Stage 3: Builder (compile for production)
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# =============================================================================
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FROM node:18-alpine AS builder
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WORKDIR /app
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# Copy dependencies
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COPY --from=deps /app/node_modules ./node_modules
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# Copy all source files
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COPY . .
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# Build for production
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RUN npm run build
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# =============================================================================
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# Stage 4: Production (optimized, minimal)
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# =============================================================================
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FROM node:18-alpine AS production
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WORKDIR /app
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ENV NODE_ENV=production
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# Copy only production dependencies
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COPY package*.json ./
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RUN npm ci --only=production && npm cache clean --force
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# Copy built application from builder
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COPY --from=builder /app/.next ./.next
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COPY --from=builder /app/public ./public
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COPY --from=builder /app/next.config.js ./
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EXPOSE 3000
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USER node
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CMD ["npm", "run", "start"]
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