feat: implement request monitoring and queuing services to manage concurrent requests to Komga

Dockerfile

@@ -11,25 +11,25 @@ WORKDIR /app
 # Install dependencies for node-gyp
 RUN apk add --no-cache python3 make g++
 
-# Enable Yarn
+# Enable pnpm via corepack
-RUN corepack enable
+RUN corepack enable && corepack prepare pnpm@9.0.0 --activate
 
 # Copy package files first to leverage Docker cache
-COPY package.json yarn.lock ./
+COPY package.json pnpm-lock.yaml ./
 
 # Copy configuration files
 COPY tsconfig.json .eslintrc.json ./
 COPY tailwind.config.ts postcss.config.js ./
 
-# Install dependencies with Yarn
+# Install dependencies with pnpm
-RUN yarn install --frozen-lockfile
+RUN pnpm install --frozen-lockfile
 
 # Copy source files
 COPY src ./src
 COPY public ./public
 
 # Build the application
-RUN yarn build
+RUN pnpm build
 
 # Production stage
 FROM node:20-alpine AS runner
@@ -37,10 +37,11 @@ FROM node:20-alpine AS runner
 WORKDIR /app
 
 # Install production dependencies only
-COPY package.json yarn.lock ./
+COPY package.json pnpm-lock.yaml ./
 RUN corepack enable && \
-    yarn install --production --frozen-lockfile && \
+    corepack prepare pnpm@9.0.0 --activate && \
-    yarn cache clean
+    pnpm install --prod --frozen-lockfile && \
+    pnpm store prune
 
 # Copy built application from builder stage
 COPY --from=builder /app/.next ./.next
@@ -67,4 +68,4 @@ HEALTHCHECK --interval=30s --timeout=3s \
   CMD wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1
 
 # Start the application
-CMD ["yarn", "start"] 
+CMD ["pnpm", "start"] 

docker-compose.yml

@@ -7,6 +7,7 @@ services:
       dockerfile: Dockerfile
       args:
         - NODE_ENV=production
+        - MONGODB_URI=${MONGODB_URI}
     container_name: stripstream-app
     restart: unless-stopped
     ports:

package.json

@@ -22,7 +22,7 @@
     "bcrypt": "^5.1.1",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
-    "framer-motion": "12.4.10",
+    "framer-motion": "^10.18.0",
     "i18next": "^24.2.2",
     "i18next-browser-languagedetector": "^8.0.4",
     "lucide-react": "^0.487.0",
@@ -36,10 +36,11 @@
     "sharp": "0.33.2",
     "tailwind-merge": "^3.0.2",
     "tailwindcss-animate": "1.0.7",
+    "undici": "^7.16.0",
     "zod": "3.22.4"
   },
   "devDependencies": {
-    "@types/node": "24.7.0",
+    "@types/node": "24.7.2",
     "@types/react": "18.2.64",
     "@types/react-dom": "18.2.21",
     "@typescript-eslint/eslint-plugin": "^8.24.0",
@@ -54,5 +55,5 @@
     "tailwindcss": "3.4.1",
     "typescript": "5.3.3"
   },
-  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
+  "packageManager": "pnpm@9.0.0"
 }

src/components/reader/components/Thumbnail.tsx

@@ -22,7 +22,7 @@ export const Thumbnail = forwardRef<HTMLButtonElement, ThumbnailProps>(
     const [hasError, setHasError] = useState(false);
     const [isInViewport, setIsInViewport] = useState(false);
     const loadAttempts = useRef(0);
-    const maxAttempts = 3;
+    const maxAttempts = 1; // Désactivé pour réduire la charge sur Komga
     const internalRef = useRef<HTMLButtonElement>(null);
 
     useImperativeHandle(ref, () => internalRef.current as HTMLButtonElement);
@@ -94,7 +94,14 @@ export const Thumbnail = forwardRef<HTMLButtonElement, ThumbnailProps>(
         // Réessayer avec un délai croissant
         const delay = Math.min(1000 * Math.pow(2, loadAttempts.current - 1), 5000);
         setTimeout(() => {
-          setImageUrl((prev) => (prev ? `${prev}?retry=${loadAttempts.current}` : null));
+          setImageUrl((prev) => {
+            if (!prev) return null;
+            // Utiliser & si l'URL contient déjà des query params
+            const separator = prev.includes('?') ? '&' : '?';
+            // Supprimer l'ancien retry param si présent
+            const baseUrl = prev.replace(/[?&]retry=\d+/g, '');
+            return `${baseUrl}${separator}retry=${loadAttempts.current}`;
+          });
         }, delay);
       } else {
         console.error(

src/components/reader/hooks/useThumbnails.ts

@@ -23,7 +23,7 @@ export const useThumbnails = ({ book, currentPage }: UseThumbnailsProps) => {
 
   // Mettre à jour les thumbnails visibles autour de la page courante
   useEffect(() => {
-    const windowSize = 10; // Nombre de pages à charger de chaque côté
+    const windowSize = 0; // DÉSACTIVÉ TEMPORAIREMENT: Thumbnails désactivés pour éviter de surcharger Komga
     const start = Math.max(1, currentPage - windowSize);
     const end = currentPage + windowSize;
     const newVisibleThumbnails = Array.from({ length: end - start + 1 }, (_, i) => start + i);

src/lib/services/base-api.service.ts

@@ -6,6 +6,8 @@ import { AppError } from "../../utils/errors";
 import type { KomgaConfig } from "@/types/komga";
 import type { ServerCacheService } from "./server-cache.service";
 import { DebugService } from "./debug.service";
+import { RequestMonitorService } from "./request-monitor.service";
+import { RequestQueueService } from "./request-queue.service";
 // Types de cache disponibles
 export type CacheType = "DEFAULT" | "HOME" | "LIBRARIES" | "SERIES" | "BOOKS" | "IMAGES";
 
@@ -99,9 +101,27 @@ export abstract class BaseApiService {
 
     const startTime = performance.now();
     
+    // Timeout de 60 secondes au lieu de 10 par défaut
+    const timeoutMs = 60000;
+    const controller = new AbortController();
+    const timeoutId = setTimeout(() => controller.abort(), timeoutMs);
+    
     try {
-      const response = await fetch(url, { headers, ...options });
+      // Enqueue la requête pour limiter la concurrence
-      const endTime = performance.now();
+      const response = await RequestQueueService.enqueue(async () => {
+        return await fetch(url, { 
+          headers, 
+          ...options,
+          signal: controller.signal,
+          // Configure undici connection timeouts
+          // @ts-ignore - undici-specific options not in standard fetch types
+          connectTimeout: timeoutMs,
+          bodyTimeout: timeoutMs,
+          headersTimeout: timeoutMs,
+        });
+      });
+      clearTimeout(timeoutId);
+        const endTime = performance.now();
 
       // Logger la requête côté serveur
       await DebugService.logRequest({
@@ -131,6 +151,9 @@ export abstract class BaseApiService {
       });
       
       throw error;
+    } finally {
+      clearTimeout(timeoutId);
+      RequestMonitorService.decrementActive();
     }
   }
 }

src/lib/services/image.service.ts

@@ -12,7 +12,7 @@ export class ImageService extends BaseApiService {
     try {
       const headers = { Accept: "image/jpeg, image/png, image/gif, image/webp, */*" };
 
-      return this.fetchWithCache<ImageResponse>(
+      const result = await this.fetchWithCache<ImageResponse>(
         `image-${path}`,
         async () => {
           const response = await this.fetchFromApi<Response>({ path }, headers, { isImage: true });
@@ -27,6 +27,8 @@ export class ImageService extends BaseApiService {
         },
         "IMAGES"
       );
+
+      return result;
     } catch (error) {
       console.error("Erreur lors de la récupération de l'image:", error);
       throw new AppError(ERROR_CODES.IMAGE.FETCH_ERROR, {}, error);

src/lib/services/request-monitor.service.ts

@@ -0,0 +1,44 @@
+/**
+ * Service de monitoring des requêtes concurrentes vers Komga
+ * Permet de tracker le nombre de requêtes actives et d'alerter en cas de charge élevée
+ */
+class RequestMonitor {
+  private activeRequests = 0;
+  private readonly thresholds = {
+    warning: 10,
+    high: 20,
+    critical: 30,
+  };
+
+  incrementActive(): number {
+    this.activeRequests++;
+    this.checkThresholds();
+    return this.activeRequests;
+  }
+
+  decrementActive(): number {
+    this.activeRequests = Math.max(0, this.activeRequests - 1);
+    return this.activeRequests;
+  }
+
+  getActiveCount(): number {
+    return this.activeRequests;
+  }
+
+  private checkThresholds(): void {
+    const count = this.activeRequests;
+    
+    if (count >= this.thresholds.critical) {
+      console.warn(`[REQUEST-MONITOR] 🔴 CRITICAL concurrency: ${count} active requests`);
+    } else if (count >= this.thresholds.high) {
+      console.warn(`[REQUEST-MONITOR] ⚠️  HIGH concurrency: ${count} active requests`);
+    } else if (count >= this.thresholds.warning) {
+      console.log(`[REQUEST-MONITOR] ⚡ Warning concurrency: ${count} active requests`);
+    }
+  }
+}
+
+// Singleton instance
+export const RequestMonitorService = new RequestMonitor();
+
+

src/lib/services/request-queue.service.ts

@@ -0,0 +1,73 @@
+/**
+ * Service de gestion de queue pour limiter les requêtes concurrentes vers Komga
+ * Évite de surcharger Komga avec trop de requêtes simultanées
+ */
+
+interface QueuedRequest<T> {
+  execute: () => Promise<T>;
+  resolve: (value: T) => void;
+  reject: (error: any) => void;
+}
+
+class RequestQueue {
+  private queue: QueuedRequest<any>[] = [];
+  private activeCount = 0;
+  private maxConcurrent: number;
+
+  constructor(maxConcurrent: number = 5) {
+    this.maxConcurrent = maxConcurrent;
+  }
+
+  async enqueue<T>(execute: () => Promise<T>): Promise<T> {
+    return new Promise<T>((resolve, reject) => {
+      this.queue.push({ execute, resolve, reject });
+      this.processQueue();
+    });
+  }
+
+  private async delay(ms: number): Promise<void> {
+    return new Promise(resolve => setTimeout(resolve, ms));
+  }
+
+  private async processQueue(): Promise<void> {
+    if (this.activeCount >= this.maxConcurrent || this.queue.length === 0) {
+      return;
+    }
+
+    this.activeCount++;
+    const request = this.queue.shift();
+
+    if (!request) {
+      this.activeCount--;
+      return;
+    }
+
+    try {
+      // Délai de 200ms entre chaque requête pour espacer la charge CPU sur Komga
+      await this.delay(200);
+      const result = await request.execute();
+      request.resolve(result);
+    } catch (error) {
+      request.reject(error);
+    } finally {
+      this.activeCount--;
+      this.processQueue();
+    }
+  }
+
+  getActiveCount(): number {
+    return this.activeCount;
+  }
+
+  getQueueLength(): number {
+    return this.queue.length;
+  }
+
+  setMaxConcurrent(max: number): void {
+    this.maxConcurrent = max;
+  }
+}
+
+// Singleton instance - Limite à 2 requêtes simultanées vers Komga (réduit pour CPU)
+export const RequestQueueService = new RequestQueue(2);
+