fix: install curl in nginx image for healthcheck

Dockerfile

@@ -14,6 +14,9 @@ RUN npm run build
 # ── Stage 2: Production (nginx pour servir le static export) ─────────────────
 FROM nginx:alpine
 
+# Installer curl pour le healthcheck
+RUN apk add --no-cache curl
+
 # Copier la config nginx personnalisée
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
@@ -27,7 +30,7 @@ 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
+  CMD curl -f http://localhost:3000/ || exit 1
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 CMD ["nginx", "-g", "daemon off;"]