feat: Docker multi-stage build (Node build + nginx static serve)

Dockerfile

@@ -0,0 +1,33 @@
+# ── Stage 1: Build ────────────────────────────────────────────────────────────
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+# Installer les dépendances d'abord (cache Docker)
+COPY package*.json ./
+RUN npm ci
+
+# Copier le code source et builder
+COPY . .
+RUN npm run build
+
+# ── Stage 2: Production (nginx pour servir le static export) ─────────────────
+FROM nginx:alpine
+
+# Copier la config nginx personnalisée
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copier le build statique depuis le stage builder
+COPY --from=builder /app/out /usr/share/nginx/html
+
+# Script d'entrée
+COPY docker-entrypoint.sh /
+RUN chmod +x /docker-entrypoint.sh
+
+EXPOSE 3000
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
+  CMD wget -qO- http://localhost:3000/ || exit 1
+
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["nginx", "-g", "daemon off;"]