diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index c20ffb8..719c1d4 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -40,17 +40,6 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pnpm-store-
 
-      - name: Cache Next.js build
-        if: matrix.component != 'backend'
-        uses: actions/cache@v4
-        with:
-          path: ${{ matrix.component }}/.next/cache
-          # Clé basée sur le lockfile et les fichiers source du composant
-          key: ${{ runner.os }}-nextjs-${{ matrix.component }}-${{ hashFiles('**/pnpm-lock.yaml') }}-${{ hashFiles(concat(matrix.component, '/**/*.[jt]s'), concat(matrix.component, '/**/*.[jt]sx')) }}
-          restore-keys: |
-            ${{ runner.os }}-nextjs-${{ matrix.component }}-${{ hashFiles('**/pnpm-lock.yaml') }}-
-            ${{ runner.os }}-nextjs-${{ matrix.component }}-
-
       - name: Install dependencies
         run: pnpm install --frozen-lockfile --prefer-offline
 
diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 5b46aab..859bbec 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -12,6 +12,7 @@ import { AuthModule } from "./auth/auth.module";
 import { CategoriesModule } from "./categories/categories.module";
 import { CommonModule } from "./common/common.module";
 import { CrawlerDetectionMiddleware } from "./common/middlewares/crawler-detection.middleware";
+import { HTTPLoggerMiddleware } from "./common/middlewares/http-logger.middleware";
 import { validateEnv } from "./config/env.schema";
 import { ContentsModule } from "./contents/contents.module";
 import { CryptoModule } from "./crypto/crypto.module";
@@ -76,6 +77,8 @@ import { UsersModule } from "./users/users.module";
 })
 export class AppModule implements NestModule {
 	configure(consumer: MiddlewareConsumer) {
-		consumer.apply(CrawlerDetectionMiddleware).forRoutes("*");
+		consumer
+			.apply(HTTPLoggerMiddleware, CrawlerDetectionMiddleware)
+			.forRoutes("*");
 	}
 }
diff --git a/backend/src/auth/auth.service.ts b/backend/src/auth/auth.service.ts
index 2133afb..f564272 100644
--- a/backend/src/auth/auth.service.ts
+++ b/backend/src/auth/auth.service.ts
@@ -110,6 +110,7 @@ export class AuthService {
 		const user = await this.usersService.findByEmailHash(emailHash);
 
 		if (!user) {
+			this.logger.warn(`Login failed: user not found for email hash`);
 			throw new UnauthorizedException("Invalid credentials");
 		}
 
@@ -119,10 +120,12 @@ export class AuthService {
 		);
 
 		if (!isPasswordValid) {
+			this.logger.warn(`Login failed: invalid password for user ${user.uuid}`);
 			throw new UnauthorizedException("Invalid credentials");
 		}
 
 		if (user.isTwoFactorEnabled) {
+			this.logger.log(`2FA required for user ${user.uuid}`);
 			return {
 				message: "2FA required",
 				requires2FA: true,
@@ -141,6 +144,7 @@ export class AuthService {
 			ip,
 		);
 
+		this.logger.log(`User ${user.uuid} logged in successfully`);
 		return {
 			message: "User logged in successfully",
 			access_token: accessToken,
@@ -165,6 +169,9 @@ export class AuthService {
 
 		const isValid = authenticator.verify({ token, secret });
 		if (!isValid) {
+			this.logger.warn(
+				`2FA verification failed for user ${userId}: invalid token`,
+			);
 			throw new UnauthorizedException("Invalid 2FA token");
 		}
 
@@ -179,6 +186,7 @@ export class AuthService {
 			ip,
 		);
 
+		this.logger.log(`User ${userId} logged in successfully via 2FA`);
 		return {
 			message: "User logged in successfully (2FA)",
 			access_token: accessToken,
diff --git a/backend/src/common/filters/http-exception.filter.ts b/backend/src/common/filters/http-exception.filter.ts
index 6ef6e4f..a93e28c 100644
--- a/backend/src/common/filters/http-exception.filter.ts
+++ b/backend/src/common/filters/http-exception.filter.ts
@@ -9,6 +9,14 @@ import {
 import * as Sentry from "@sentry/nestjs";
 import { Request, Response } from "express";
 
+interface RequestWithUser extends Request {
+	user?: {
+		sub?: string;
+		username?: string;
+		id?: string;
+	};
+}
+
 @Catch()
 export class AllExceptionsFilter implements ExceptionFilter {
 	private readonly logger = new Logger("ExceptionFilter");
@@ -16,7 +24,7 @@ export class AllExceptionsFilter implements ExceptionFilter {
 	catch(exception: unknown, host: ArgumentsHost) {
 		const ctx = host.switchToHttp();
 		const response = ctx.getResponse<Response>();
-		const request = ctx.getRequest<Request>();
+		const request = ctx.getRequest<RequestWithUser>();
 
 		const status =
 			exception instanceof HttpException
@@ -28,6 +36,9 @@ export class AllExceptionsFilter implements ExceptionFilter {
 				? exception.getResponse()
 				: "Internal server error";
 
+		const userId = request.user?.sub || request.user?.id;
+		const userPart = userId ? `[User: ${userId}] ` : "";
+
 		const errorResponse = {
 			statusCode: status,
 			timestamp: new Date().toISOString(),
@@ -42,12 +53,12 @@ export class AllExceptionsFilter implements ExceptionFilter {
 		if (status === HttpStatus.INTERNAL_SERVER_ERROR) {
 			Sentry.captureException(exception);
 			this.logger.error(
-				`${request.method} ${request.url} - Error: ${exception instanceof Error ? exception.message : "Unknown error"}`,
+				`${userPart}${request.method} ${request.url} - Error: ${exception instanceof Error ? exception.message : "Unknown error"}`,
 				exception instanceof Error ? exception.stack : "",
 			);
 		} else {
 			this.logger.warn(
-				`${request.method} ${request.url} - Status: ${status} - Message: ${JSON.stringify(message)}`,
+				`${userPart}${request.method} ${request.url} - Status: ${status} - Message: ${JSON.stringify(message)}`,
 			);
 		}
 
diff --git a/backend/src/common/middlewares/http-logger.middleware.ts b/backend/src/common/middlewares/http-logger.middleware.ts
new file mode 100644
index 0000000..f42538a
--- /dev/null
+++ b/backend/src/common/middlewares/http-logger.middleware.ts
@@ -0,0 +1,37 @@
+import { createHash } from "node:crypto";
+import { Injectable, Logger, NestMiddleware } from "@nestjs/common";
+import { NextFunction, Request, Response } from "express";
+
+@Injectable()
+export class HTTPLoggerMiddleware implements NestMiddleware {
+	private readonly logger = new Logger("HTTP");
+
+	use(request: Request, response: Response, next: NextFunction): void {
+		const { method, originalUrl, ip } = request;
+		const userAgent = request.get("user-agent") || "";
+		const startTime = Date.now();
+
+		response.on("finish", () => {
+			const { statusCode } = response;
+			const contentLength = response.get("content-length");
+			const duration = Date.now() - startTime;
+
+			const hashedIp = createHash("sha256")
+				.update(ip as string)
+				.digest("hex");
+			const message = `${method} ${originalUrl} ${statusCode} ${contentLength || 0} - ${userAgent} ${hashedIp} +${duration}ms`;
+
+			if (statusCode >= 500) {
+				return this.logger.error(message);
+			}
+
+			if (statusCode >= 400) {
+				return this.logger.warn(message);
+			}
+
+			return this.logger.log(message);
+		});
+
+		next();
+	}
+}
diff --git a/backend/src/media/media.controller.spec.ts b/backend/src/media/media.controller.spec.ts
index 608bbcb..359a512 100644
--- a/backend/src/media/media.controller.spec.ts
+++ b/backend/src/media/media.controller.spec.ts
@@ -1,12 +1,12 @@
 import { Readable } from "node:stream";
 import { NotFoundException } from "@nestjs/common";
 import { Test, TestingModule } from "@nestjs/testing";
+import type { Response } from "express";
 import { S3Service } from "../s3/s3.service";
 import { MediaController } from "./media.controller";
 
 describe("MediaController", () => {
 	let controller: MediaController;
-	let s3Service: S3Service;
 
 	const mockS3Service = {
 		getFileInfo: jest.fn(),
@@ -20,7 +20,6 @@ describe("MediaController", () => {
 		}).compile();
 
 		controller = module.get<MediaController>(MediaController);
-		s3Service = module.get<S3Service>(S3Service);
 	});
 
 	it("should be defined", () => {
@@ -31,7 +30,7 @@ describe("MediaController", () => {
 		it("should stream the file and set headers with path containing slashes", async () => {
 			const res = {
 				setHeader: jest.fn(),
-			} as any;
+			} as unknown as Response;
 			const stream = new Readable();
 			stream.pipe = jest.fn();
 			const key = "contents/user-id/test.webp";
@@ -52,7 +51,7 @@ describe("MediaController", () => {
 
 		it("should throw NotFoundException if file is not found", async () => {
 			mockS3Service.getFileInfo.mockRejectedValue(new Error("Not found"));
-			const res = {} as any;
+			const res = {} as unknown as Response;
 
 			await expect(controller.getFile("invalid", res)).rejects.toThrow(
 				NotFoundException,
diff --git a/backend/src/media/media.controller.ts b/backend/src/media/media.controller.ts
index f38edec..9a538ba 100644
--- a/backend/src/media/media.controller.ts
+++ b/backend/src/media/media.controller.ts
@@ -1,5 +1,6 @@
 import { Controller, Get, NotFoundException, Param, Res } from "@nestjs/common";
 import type { Response } from "express";
+import type { BucketItemStat } from "minio";
 import { S3Service } from "../s3/s3.service";
 
 @Controller("media")
@@ -9,7 +10,7 @@ export class MediaController {
 	@Get("*key")
 	async getFile(@Param("key") key: string, @Res() res: Response) {
 		try {
-			const stats = (await this.s3Service.getFileInfo(key)) as any;
+			const stats = (await this.s3Service.getFileInfo(key)) as BucketItemStat;
 			const stream = await this.s3Service.getFile(key);
 
 			const contentType =
diff --git a/backend/src/s3/s3.service.spec.ts b/backend/src/s3/s3.service.spec.ts
index 5e9cdcc..be3281f 100644
--- a/backend/src/s3/s3.service.spec.ts
+++ b/backend/src/s3/s3.service.spec.ts
@@ -197,7 +197,7 @@ describe("S3Service", () => {
 
 		it("should use DOMAIN_NAME and PORT for localhost", () => {
 			(configService.get as jest.Mock).mockImplementation(
-				(key: string, def: any) => {
+				(key: string, def: unknown) => {
 					if (key === "API_URL") return null;
 					if (key === "DOMAIN_NAME") return "localhost";
 					if (key === "PORT") return 3000;
@@ -210,7 +210,7 @@ describe("S3Service", () => {
 
 		it("should use api.DOMAIN_NAME for production", () => {
 			(configService.get as jest.Mock).mockImplementation(
-				(key: string, def: any) => {
+				(key: string, def: unknown) => {
 					if (key === "API_URL") return null;
 					if (key === "DOMAIN_NAME") return "memegoat.fr";
 					return def;
diff --git a/backend/src/s3/s3.service.ts b/backend/src/s3/s3.service.ts
index 21d0fe0..0efa784 100644
--- a/backend/src/s3/s3.service.ts
+++ b/backend/src/s3/s3.service.ts
@@ -54,6 +54,7 @@ export class S3Service implements OnModuleInit, IStorageService {
 				...metaData,
 				"Content-Type": mimeType,
 			});
+			this.logger.log(`File uploaded successfully: ${fileName} to ${bucketName}`);
 			return fileName;
 		} catch (error) {
 			this.logger.error(`Error uploading file to ${bucketName}: ${error.message}`);
@@ -113,6 +114,7 @@ export class S3Service implements OnModuleInit, IStorageService {
 	async deleteFile(fileName: string, bucketName: string = this.bucketName) {
 		try {
 			await this.minioClient.removeObject(bucketName, fileName);
+			this.logger.log(`File deleted successfully: ${fileName} from ${bucketName}`);
 		} catch (error) {
 			this.logger.error(
 				`Error deleting file from ${bucketName}: ${error.message}`,