diff --git a/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.spec.ts b/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.spec.ts
index b5e11295b..c21492a30 100644
--- a/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.spec.ts
+++ b/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.spec.ts
@@ -2,13 +2,23 @@ import type { TestingModule } from '@nestjs/testing'
 import { Test } from '@nestjs/testing'
 
 import { ApplicationInitializationService } from './application-initialization.service'
+import { ConfigurationModule } from '@/cpin-module/infrastructure/configuration/configuration.module'
+import { PluginManagementService } from '../plugin-management/plugin-management.service'
+import { DatabaseInitializationService } from '../database-initialization/database-initialization.service'
+import { DatabaseService } from '@/cpin-module/infrastructure/database/database.service'
 
 describe('applicationInitializationServiceService', () => {
   let service: ApplicationInitializationService
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [ApplicationInitializationService],
+      imports: [ConfigurationModule],
+      providers: [
+        ApplicationInitializationService,
+        PluginManagementService,
+        DatabaseInitializationService,
+        DatabaseService,
+      ],
     }).compile()
 
     service = module.get<ApplicationInitializationService>(
diff --git a/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.ts b/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.ts
index 2ec85c514..0d903f8b0 100644
--- a/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.ts
+++ b/apps/server-nestjs/src/cpin-module/application-initialization/application-initialization-service/application-initialization.service.ts
@@ -1,20 +1,20 @@
-import type { ConfigurationService } from '@/cpin-module/infrastructure/configuration/configuration.service'
-import type { DatabaseService } from '@/cpin-module/infrastructure/database/database.service'
-import { Injectable, Logger } from '@nestjs/common'
+import { ConfigurationService } from '@/cpin-module/infrastructure/configuration/configuration.service'
+import { DatabaseService } from '@/cpin-module/infrastructure/database/database.service'
+import { Inject, Injectable, Logger } from '@nestjs/common'
 import { rm } from 'node:fs/promises'
 import { resolve } from 'node:path'
 
-import type { DatabaseInitializationService } from '../database-initialization/database-initialization.service'
-import type { PluginManagementService } from '../plugin-management/plugin-management.service'
+import { DatabaseInitializationService } from '../database-initialization/database-initialization.service'
+import { PluginManagementService } from '../plugin-management/plugin-management.service'
 
 @Injectable()
 export class ApplicationInitializationService {
   private readonly logger = new Logger(ApplicationInitializationService.name)
   constructor(
-    private readonly configurationService: ConfigurationService,
-    private readonly pluginManagementService: PluginManagementService,
-    private readonly databaseInitializationService: DatabaseInitializationService,
-    private readonly databaseService: DatabaseService,
+    @Inject(ConfigurationService) private readonly configurationService: ConfigurationService,
+    @Inject(PluginManagementService) private readonly pluginManagementService: PluginManagementService,
+    @Inject(DatabaseInitializationService) private readonly databaseInitializationService: DatabaseInitializationService,
+    @Inject(DatabaseService) private readonly databaseService: DatabaseService,
   ) {
     this.handleExit()
   }
diff --git a/apps/server-nestjs/src/cpin-module/core/app/app.service.spec.ts b/apps/server-nestjs/src/cpin-module/core/app/app.service.spec.ts
index 2aebfa3bd..6cb42781a 100644
--- a/apps/server-nestjs/src/cpin-module/core/app/app.service.spec.ts
+++ b/apps/server-nestjs/src/cpin-module/core/app/app.service.spec.ts
@@ -2,13 +2,16 @@ import type { TestingModule } from '@nestjs/testing'
 import { Test } from '@nestjs/testing'
 
 import { AppService } from './app.service'
+import { ConfigurationModule } from '@/cpin-module/infrastructure/configuration/configuration.module'
+import { FastifyService } from '../fastify/fastify.service'
 
 describe('appService', () => {
   let service: AppService
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [AppService],
+      imports: [ConfigurationModule],
+      providers: [AppService, FastifyService],
     }).compile()
 
     service = module.get<AppService>(AppService)
diff --git a/apps/server-nestjs/src/cpin-module/core/app/app.service.ts b/apps/server-nestjs/src/cpin-module/core/app/app.service.ts
index 3a0b070af..a81c61132 100644
--- a/apps/server-nestjs/src/cpin-module/core/app/app.service.ts
+++ b/apps/server-nestjs/src/cpin-module/core/app/app.service.ts
@@ -1,4 +1,4 @@
-import type { ConfigurationService } from '@/cpin-module/infrastructure/configuration/configuration.service'
+import { ConfigurationService } from '@/cpin-module/infrastructure/configuration/configuration.service'
 import {
   apiPrefix,
   getContract,
@@ -16,14 +16,14 @@ import type {
 import fastifySession from '@fastify/session'
 import fastifySwagger from '@fastify/swagger'
 import fastifySwaggerUi from '@fastify/swagger-ui'
-import { Injectable, Logger } from '@nestjs/common'
+import { Inject, Injectable, Logger } from '@nestjs/common'
 import { generateOpenApi } from '@ts-rest/open-api'
 import fastify from 'fastify'
 import type { FastifyRequest } from 'fastify'
 import type { KeycloakOptions } from 'fastify-keycloak-adapter'
 import keycloak from 'fastify-keycloak-adapter'
 
-import type { FastifyService } from '../fastify/fastify.service'
+import { FastifyService } from '../fastify/fastify.service'
 
 interface KeycloakPayload {
   sub: string
@@ -59,8 +59,8 @@ export class AppService {
   private readonly loggerService = new Logger(AppService.name)
 
   constructor(
-    private readonly configurationService: ConfigurationService,
-    private readonly fastifyService: FastifyService,
+    @Inject(ConfigurationService) private readonly configurationService: ConfigurationService,
+    @Inject(FastifyService) private readonly fastifyService: FastifyService,
   ) {
     this.keycloakConf = {
       appOrigin:
diff --git a/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.spec.ts b/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.spec.ts
index f0a5ac44a..75bec62b1 100644
--- a/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.spec.ts
+++ b/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.spec.ts
@@ -2,12 +2,14 @@ import type { TestingModule } from '@nestjs/testing'
 import { Test } from '@nestjs/testing'
 
 import { FastifyService } from './fastify.service'
+import { ConfigurationModule } from '@/cpin-module/infrastructure/configuration/configuration.module'
 
 describe('fastifyService', () => {
   let service: FastifyService
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
+      imports: [ConfigurationModule],
       providers: [FastifyService],
     }).compile()
 
diff --git a/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.ts b/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.ts
index df67480e3..170dc6285 100644
--- a/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.ts
+++ b/apps/server-nestjs/src/cpin-module/core/fastify/fastify.service.ts
@@ -1,15 +1,17 @@
-import type { ConfigurationService } from '@/cpin-module/infrastructure/configuration/configuration.service'
+import { ConfigurationService } from '@/cpin-module/infrastructure/configuration/configuration.service'
 import { loggerConfiguration } from '@/cpin-module/infrastructure/logger/logger.module'
 import { swaggerUiPath } from '@cpn-console/shared'
 import type { FastifySwaggerUiOptions } from '@fastify/swagger-ui'
-import { Injectable } from '@nestjs/common'
+import { Inject, Injectable } from '@nestjs/common'
 import type { generateOpenApi } from '@ts-rest/open-api'
 import type { FastifyServerOptions } from 'fastify'
 import { randomUUID } from 'node:crypto'
 
 @Injectable()
 export class FastifyService {
-  constructor(private readonly configurationService: ConfigurationService) {
+  constructor(
+    @Inject(ConfigurationService) private readonly configurationService: ConfigurationService,
+  ) {
     this.fastifyConf = {
       maxParamLength: 5000,
       logger:
diff --git a/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.spec.ts b/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.spec.ts
index 3e398c37e..48084da3d 100644
--- a/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.spec.ts
+++ b/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.spec.ts
@@ -2,12 +2,14 @@ import type { TestingModule } from '@nestjs/testing'
 import { Test } from '@nestjs/testing'
 
 import { DatabaseService } from './database.service'
+import { ConfigurationModule } from '../configuration/configuration.module'
 
 describe('databaseService', () => {
   let service: DatabaseService
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
+      imports: [ConfigurationModule],
       providers: [DatabaseService],
     }).compile()
 
diff --git a/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.ts b/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.ts
index 62bcc9481..77e62d4ed 100644
--- a/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.ts
+++ b/apps/server-nestjs/src/cpin-module/infrastructure/database/database.service.ts
@@ -1,14 +1,13 @@
 import prisma from '@/prisma'
-import { Injectable, Logger } from '@nestjs/common'
+import { Inject, Injectable, Logger } from '@nestjs/common'
 import { setTimeout } from 'node:timers/promises'
-
-import type { ConfigurationService } from '../configuration/configuration.service'
+import { ConfigurationService } from '../configuration/configuration.service'
 
 @Injectable()
 export class DatabaseService {
   private readonly loggerService = new Logger(DatabaseService.name)
 
-  constructor(private readonly configurationService: ConfigurationService) {
+  constructor(@Inject(ConfigurationService) private readonly configurationService: ConfigurationService) {
     this.DELAY_BEFORE_RETRY
             = this.configurationService.isTest || this.configurationService.isCI
         ? 1000