diff --git a/backend/src/app.module.ts b/backend/apps/api/src/api.module.ts
similarity index 89%
rename from backend/src/app.module.ts
rename to backend/apps/api/src/api.module.ts
index 8662803..763be8e 100644
--- a/backend/src/app.module.ts
+++ b/backend/apps/api/src/api.module.ts
@@ -7,4 +7,4 @@ import { AppService } from './app.service';
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule {}
+export class ApiModule {}
diff --git a/backend/src/app.controller.spec.ts b/backend/apps/api/src/app.controller.spec.ts
similarity index 100%
rename from backend/src/app.controller.spec.ts
rename to backend/apps/api/src/app.controller.spec.ts
diff --git a/backend/src/app.controller.ts b/backend/apps/api/src/app.controller.ts
similarity index 100%
rename from backend/src/app.controller.ts
rename to backend/apps/api/src/app.controller.ts
diff --git a/backend/src/app.service.ts b/backend/apps/api/src/app.service.ts
similarity index 100%
rename from backend/src/app.service.ts
rename to backend/apps/api/src/app.service.ts
diff --git a/backend/apps/api/src/main.ts b/backend/apps/api/src/main.ts
new file mode 100644
index 0000000..152170b
--- /dev/null
+++ b/backend/apps/api/src/main.ts
@@ -0,0 +1,13 @@
+import { NestFactory } from '@nestjs/core';
+import { ApiModule } from './api.module';
+
+export async function bootstrapApi(): Promise<void> {
+  const app = await NestFactory.create(ApiModule);
+  app.enableShutdownHooks();
+  app.setGlobalPrefix('api/v1');
+  await app.listen(3000, '0.0.0.0');
+}
+
+if (require.main === module) {
+  void bootstrapApi();
+}
diff --git a/backend/test/app.e2e-spec.ts b/backend/apps/api/test/api.e2e-spec.ts
similarity index 83%
rename from backend/test/app.e2e-spec.ts
rename to backend/apps/api/test/api.e2e-spec.ts
index a767839..59a4dba 100644
--- a/backend/test/app.e2e-spec.ts
+++ b/backend/apps/api/test/api.e2e-spec.ts
@@ -2,14 +2,14 @@ import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
 import request from 'supertest';
 import { App } from 'supertest/types';
-import { AppModule } from './../src/app.module';
+import { ApiModule } from './../src/api.module';
 
-describe('AppController (e2e)', () => {
+describe('ApiModule (e2e)', () => {
   let app: INestApplication<App>;
 
   beforeEach(async () => {
     const moduleFixture: TestingModule = await Test.createTestingModule({
-      imports: [AppModule],
+      imports: [ApiModule],
     }).compile();
 
     app = moduleFixture.createNestApplication();
diff --git a/backend/test/jest-e2e.json b/backend/apps/api/test/jest-e2e.json
similarity index 63%
rename from backend/test/jest-e2e.json
rename to backend/apps/api/test/jest-e2e.json
index e9d912f..a750e43 100644
--- a/backend/test/jest-e2e.json
+++ b/backend/apps/api/test/jest-e2e.json
@@ -1,8 +1,8 @@
 {
   "moduleFileExtensions": ["js", "json", "ts"],
-  "rootDir": ".",
+  "rootDir": "../../..",
   "testEnvironment": "node",
-  "testRegex": ".e2e-spec.ts$",
+  "testRegex": "apps/api/test/.*\\.e2e-spec\\.ts$",
   "transform": {
     "^.+\\.(t|j)s$": "ts-jest"
   }
diff --git a/backend/apps/api/tsconfig.app.json b/backend/apps/api/tsconfig.app.json
new file mode 100644
index 0000000..9e5319c
--- /dev/null
+++ b/backend/apps/api/tsconfig.app.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "declaration": false,
+    "outDir": "../../dist/apps/api"
+  },
+  "exclude": ["node_modules", "dist", "test", "**/*.spec.ts"]
+}
diff --git a/backend/apps/worker/src/main.ts b/backend/apps/worker/src/main.ts
new file mode 100644
index 0000000..76e8869
--- /dev/null
+++ b/backend/apps/worker/src/main.ts
@@ -0,0 +1,20 @@
+import { INestApplicationContext, Type } from '@nestjs/common';
+import { NestFactory } from '@nestjs/core';
+import { WorkerModule } from './worker.module';
+
+type ContextFactory = (
+  module: Type<unknown>,
+) => Promise<INestApplicationContext>;
+
+export async function bootstrapWorker(
+  createContext: ContextFactory = (module) =>
+    NestFactory.createApplicationContext(module),
+): Promise<INestApplicationContext> {
+  const app = await createContext(WorkerModule);
+  app.enableShutdownHooks();
+  return app;
+}
+
+if (require.main === module) {
+  void bootstrapWorker();
+}
diff --git a/backend/apps/worker/src/worker.bootstrap.spec.ts b/backend/apps/worker/src/worker.bootstrap.spec.ts
new file mode 100644
index 0000000..ddc7343
--- /dev/null
+++ b/backend/apps/worker/src/worker.bootstrap.spec.ts
@@ -0,0 +1,16 @@
+import { bootstrapWorker } from './main';
+
+describe('bootstrapWorker', () => {
+  it('creates an application context without starting an HTTP listener', async () => {
+    const close = jest.fn().mockResolvedValue(undefined);
+    const enableShutdownHooks = jest.fn();
+    const appContext = { close, enableShutdownHooks };
+    const createContext = jest.fn().mockResolvedValue(appContext);
+
+    const app = await bootstrapWorker(createContext as never);
+
+    expect(createContext).toHaveBeenCalledTimes(1);
+    expect(enableShutdownHooks).toHaveBeenCalledTimes(1);
+    expect(app).toBe(appContext);
+  });
+});
diff --git a/backend/apps/worker/src/worker.module.ts b/backend/apps/worker/src/worker.module.ts
new file mode 100644
index 0000000..a11e106
--- /dev/null
+++ b/backend/apps/worker/src/worker.module.ts
@@ -0,0 +1,4 @@
+import { Module } from '@nestjs/common';
+
+@Module({})
+export class WorkerModule {}
diff --git a/backend/apps/worker/tsconfig.app.json b/backend/apps/worker/tsconfig.app.json
new file mode 100644
index 0000000..409991c
--- /dev/null
+++ b/backend/apps/worker/tsconfig.app.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "declaration": false,
+    "outDir": "../../dist/apps/worker"
+  },
+  "exclude": ["node_modules", "dist", "test", "**/*.spec.ts"]
+}
diff --git a/backend/nest-cli.json b/backend/nest-cli.json
index f9aa683..6666174 100644
--- a/backend/nest-cli.json
+++ b/backend/nest-cli.json
@@ -1,8 +1,30 @@
 {
   "$schema": "https://json.schemastore.org/nest-cli",
   "collection": "@nestjs/schematics",
-  "sourceRoot": "src",
+  "monorepo": true,
+  "root": "apps/api",
+  "sourceRoot": "apps/api/src",
   "compilerOptions": {
     "deleteOutDir": true
+  },
+  "projects": {
+    "api": {
+      "type": "application",
+      "root": "apps/api",
+      "entryFile": "main",
+      "sourceRoot": "apps/api/src",
+      "compilerOptions": {
+        "tsConfigPath": "apps/api/tsconfig.app.json"
+      }
+    },
+    "worker": {
+      "type": "application",
+      "root": "apps/worker",
+      "entryFile": "main",
+      "sourceRoot": "apps/worker/src",
+      "compilerOptions": {
+        "tsConfigPath": "apps/worker/tsconfig.app.json"
+      }
+    }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index 4524177..e6d1b2f 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -6,18 +6,21 @@
   "private": true,
   "license": "UNLICENSED",
   "scripts": {
-    "build": "nest build",
-    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
-    "start": "nest start",
-    "start:dev": "nest start --watch",
-    "start:debug": "nest start --debug --watch",
-    "start:prod": "node dist/main",
-    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
-    "test": "jest",
+    "build": "pnpm run build:api && pnpm run build:worker",
+    "build:api": "nest build api",
+    "build:worker": "nest build worker",
+    "format": "prettier --write \"apps/**/*.ts\" \"libs/**/*.ts\"",
+    "start": "nest start api",
+    "start:dev": "nest start api --watch",
+    "start:debug": "nest start api --debug --watch",
+    "start:api": "node dist/apps/api/main.js",
+    "start:worker": "node dist/apps/worker/main.js",
+    "lint": "eslint \"{apps,libs}/**/*.ts\" --fix",
+    "test": "jest --runInBand",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json"
+    "test:e2e": "jest --config ./apps/api/test/jest-e2e.json"
   },
   "dependencies": {
     "@nestjs/common": "^11.0.1",
@@ -57,15 +60,21 @@
       "json",
       "ts"
     ],
-    "rootDir": "src",
+    "rootDir": ".",
     "testRegex": ".*\\.spec\\.ts$",
+    "testPathIgnorePatterns": ["<rootDir>/node_modules/", "<rootDir>/dist/"],
     "transform": {
       "^.+\\.(t|j)s$": "ts-jest"
     },
+    "moduleNameMapper": {
+      "^@travel/configuration$": "<rootDir>/libs/configuration/src",
+      "^@travel/infrastructure$": "<rootDir>/libs/infrastructure/src"
+    },
     "collectCoverageFrom": [
-      "**/*.(t|j)s"
+      "apps/**/*.(t|j)s",
+      "libs/**/*.(t|j)s"
     ],
-    "coverageDirectory": "../coverage",
+    "coverageDirectory": "coverage",
     "testEnvironment": "node"
   }
 }
diff --git a/backend/src/main.ts b/backend/src/main.ts
deleted file mode 100644
index f76bc8d..0000000
--- a/backend/src/main.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { NestFactory } from '@nestjs/core';
-import { AppModule } from './app.module';
-
-async function bootstrap() {
-  const app = await NestFactory.create(AppModule);
-  await app.listen(process.env.PORT ?? 3000);
-}
-bootstrap();
diff --git a/backend/tsconfig.build.json b/backend/tsconfig.build.json
deleted file mode 100644
index 64f86c6..0000000
--- a/backend/tsconfig.build.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
-}
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index aba29b0..dac7ed8 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -20,6 +20,10 @@
     "forceConsistentCasingInFileNames": true,
     "noImplicitAny": false,
     "strictBindCallApply": false,
-    "noFallthroughCasesInSwitch": false
+    "noFallthroughCasesInSwitch": false,
+    "paths": {
+      "@travel/configuration": ["libs/configuration/src"],
+      "@travel/infrastructure": ["libs/infrastructure/src"]
+    }
   }
 }