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Configurer Docker pour le développement et la production avec Next.js
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# === Étape 1 : Build ===
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Copier les fichiers de dépendances pour profiter du cache Docker
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COPY package*.json ./
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# Installer uniquement ce qu'il faut pour le build
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RUN npm ci
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# Copier tout le code
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COPY . .
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# Build Next.js pour la production
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RUN npm run build
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# === Étape 2 : Runner léger ===
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FROM node:20-alpine AS runner
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WORKDIR /app
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# Copier uniquement ce qui est nécessaire pour la prod
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COPY --from=builder /app/package*.json ./
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COPY --from=builder /app/node_modules ./node_modules
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COPY --from=builder /app/.next ./.next
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COPY --from=builder /app/public ./public
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# Mode production
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ENV NODE_ENV=production
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EXPOSE 3000
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# Lancer le serveur Next.js
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CMD ["npm", "start"]
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+8
-36
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services:
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services:
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qrcode:
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web:
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image: node:22-alpine
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build: .
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container_name: qrcode-generator
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working_dir: /app
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ports:
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ports:
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- "3001:3000"
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- "3000:3000"
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volumes:
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- ./:/app
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- /app/node_modules
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environment:
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environment:
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- NODE_ENV=production
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- NODE_ENV=development
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- HOSTNAME=0.0.0.0
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command: npm run dev
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- PORT=3000
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volumes:
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- .:/app
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- node_modules:/app/node_modules
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- nextjs_cache:/app/.next/cache
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command: >
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sh -c "
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if [ ! -d .next/standalone ]; then
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echo '📦 Installing dependencies...' &&
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npm ci &&
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echo '🔨 Building application...' &&
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NODE_OPTIONS='--max-old-space-size=1536' npm run build;
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fi &&
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echo '🚀 Starting QR Code Generator...' &&
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cp -r .next/static .next/standalone/.next/static 2>/dev/null || true &&
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cp -r public .next/standalone/public 2>/dev/null || true &&
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node .next/standalone/server.js
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"
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restart: unless-stopped
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healthcheck:
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test: ["CMD-SHELL", "wget -q --spider http://localhost:3000 || exit 1"]
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interval: 30s
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timeout: 10s
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retries: 3
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start_period: 120s
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volumes:
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node_modules:
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nextjs_cache:
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