diff --git a/admin/src/controllers/membership/blockUnblock.controller.ts b/admin/src/controllers/membership/blockUnblock.controller.ts
index 15d2307..16146a1 100644
--- a/admin/src/controllers/membership/blockUnblock.controller.ts
+++ b/admin/src/controllers/membership/blockUnblock.controller.ts
@@ -1,7 +1,6 @@
 import { Request, Response } from 'express';
 import { IDependency } from '../../frameworks/types/dependency';
 import { kafkaClient } from '../../config/kafka.connection';
-// import { JobUpdatedEventPublisher } from "../../frameworks/services/kafka-events/publishers/job-updated-publisher";
 import { MemberShipPlanUpdatedEventPublisher } from '../../frameworks/utils/kafka-events/publishers/membership-plan-updated-publisher ';
 import { NotFoundError } from '@abijobportal/common';
 
diff --git a/auth/src/config/appConfig.ts b/auth/src/config/appConfig.ts
index bfb94b9..1aa8b7d 100644
--- a/auth/src/config/appConfig.ts
+++ b/auth/src/config/appConfig.ts
@@ -1,4 +1,4 @@
-interface IAppConfig {
+export interface IAppConfig {
     PORT: string | number;
     API_PREFIX: string;
     MONGO_URL_AUTH: string;
diff --git a/auth/src/index.ts b/auth/src/index.ts
index 7f21620..8524a09 100644
--- a/auth/src/index.ts
+++ b/auth/src/index.ts
@@ -2,22 +2,27 @@ import { connectDB } from './config/db.connection';
 import { app } from './frameworks/express/app';
 import { UserUpdatedEventConsumer } from './frameworks/utils/kafka-events/consumers/user-updated-consumer';
 import { kafkaClient } from './config/kafka.connection';
-import { appConfig } from './config/appConfig';
+import { appConfig, IAppConfig } from './config/appConfig';
 
 const start = async () => {
     console.log('Starting up....');
 
-    if (!process.env.JWT_SECRET_KEY) throw new Error('JWT_SECRET_KEY must be defined');
-
-    if (!appConfig.JWT_REFRESH_SECRET_KEY) throw new Error('JWT_REFRESH_SECRET_KEY must be defined');
-
-    if (!appConfig.MONGO_URL_AUTH) throw new Error('MONGO_URL_AUTH must be defined');
-
-    if (!appConfig.TWILIO_AUTH_TOKEN) throw new Error('TWILIO_AUTH_TOKEN must be defined');
-
-    if (!appConfig.TWILIO_ACCOUNT_SID) throw new Error('TWILIO_ACCOUNT_SID must be defined');
-
-    if (!appConfig.TWILIO_SERVICE_SID) throw new Error('TWILIO_SERVICE_SID must be defined');
+    // Env checking
+    const REQUIRED_ENV_VARIABLES = (Object.keys(appConfig) as (keyof IAppConfig)[])
+
+    const missingEnvVariables: string[] = REQUIRED_ENV_VARIABLES.filter((key: keyof IAppConfig) => {
+        const value: string | number | string[] = appConfig[key];
+        return !value || (Array.isArray(value) && !value.length);
+    });
+
+    if (missingEnvVariables.length) {
+        // eslint-disable-next-line no-console
+        console.error(
+            `🚨 Missing the following required environment variable${missingEnvVariables.length === 1 ? '' : 's'}: ` +
+            `${missingEnvVariables.map((variable) => `"${variable}"`).join(', ')} `,
+        );
+        process.exit(1);
+    }
 
     // to connect to mongodb
     await connectDB();
diff --git a/chat/src/config/appConfig.ts b/chat/src/config/appConfig.ts
index 9c5adc1..e600184 100644
--- a/chat/src/config/appConfig.ts
+++ b/chat/src/config/appConfig.ts
@@ -1,4 +1,4 @@
-interface IAppConfig {
+export interface IAppConfig {
     PORT: string | number;
     API_PREFIX: string;
     MONGO_URL_CHAT: string;
diff --git a/chat/src/index.ts b/chat/src/index.ts
index 62ba014..9793439 100644
--- a/chat/src/index.ts
+++ b/chat/src/index.ts
@@ -1,4 +1,4 @@
-import { appConfig } from './config/appConfig';
+import { appConfig, IAppConfig } from './config/appConfig';
 import { connectDB } from './config/db.connection';
 import { kafkaClient } from './config/kafka.connection';
 import { httpServer } from './frameworks/express/app';
@@ -10,9 +10,22 @@ import { setupSocketIO } from './frameworks/webSocket/socket';
 const start = async () => {
     console.log('chat service Starting up....');
 
-    if (!appConfig.MONGO_URL_CHAT) throw new Error('MONGO_URL_CHAT must be defined');
-    if (!appConfig.JWT_SECRET_KEY) throw new Error('JWT_SECRET_KEY must be defined');
-    if (!appConfig.JWT_REFRESH_SECRET_KEY) throw new Error('JWT_REFRESH_SECRET_KEY must be defined');
+    // Env checking
+    const REQUIRED_ENV_VARIABLES = (Object.keys(appConfig) as (keyof IAppConfig)[])
+
+    const missingEnvVariables: string[] = REQUIRED_ENV_VARIABLES.filter((key: keyof IAppConfig) => {
+        const value: string | number | string[] = appConfig[key];
+        return !value || (Array.isArray(value) && !value.length);
+    });
+
+    if (missingEnvVariables.length) {
+        // eslint-disable-next-line no-console
+        console.error(
+            `🚨 Missing the following required environment variable${missingEnvVariables.length === 1 ? '' : 's'}: ` +
+            `${missingEnvVariables.map((variable) => `"${variable}"`).join(', ')} `,
+        );
+        process.exit(1);
+    }
 
     console.log('before socket instance');
     setupSocketIO(httpServer);
diff --git a/job/src/config/appConfig.ts b/job/src/config/appConfig.ts
index 73f3efc..ddd1775 100644
--- a/job/src/config/appConfig.ts
+++ b/job/src/config/appConfig.ts
@@ -1,4 +1,4 @@
-interface IAppConfig {
+export interface IAppConfig {
     PORT: string | number;
     API_PREFIX: string;
     MONGO_URL_JOB: string;
diff --git a/job/src/index.ts b/job/src/index.ts
index befa7eb..40a09e6 100644
--- a/job/src/index.ts
+++ b/job/src/index.ts
@@ -4,16 +4,27 @@ import { kafkaClient } from './config/kafka.connection';
 import { jobUpdatedEventConsumer } from './frameworks/utils/kafka-events/consumers/jobUpdatedConsumer';
 import { UserCreatedEventConsumer } from './frameworks/utils/kafka-events/consumers/userCreatedConsumer';
 import { UserUpdatedEventConsumer } from './frameworks/utils/kafka-events/consumers/userUpdatedConsumer';
-import { appConfig } from './config/appConfig';
+import { appConfig, IAppConfig } from './config/appConfig';
 
 const start = async () => {
     console.log('Job service Starting up....');
 
-    if (!appConfig.JWT_SECRET_KEY) throw new Error('JWT_SECRET_KEY must be defined');
+    // Env checking
+    const REQUIRED_ENV_VARIABLES = (Object.keys(appConfig) as (keyof IAppConfig)[])
 
-    if (!appConfig.JWT_REFRESH_SECRET_KEY) throw new Error('JWT_REFRESH_SECRET_KEY must be defined');
+    const missingEnvVariables: string[] = REQUIRED_ENV_VARIABLES.filter((key: keyof IAppConfig) => {
+        const value: string | number | string[] = appConfig[key];
+        return !value || (Array.isArray(value) && !value.length);
+    });
 
-    if (!appConfig.MONGO_URL_JOB) throw new Error('MONGO_URL_JOB must be defined');
+    if (missingEnvVariables.length) {
+        // eslint-disable-next-line no-console
+        console.error(
+            `🚨 Missing the following required environment variable${missingEnvVariables.length === 1 ? '' : 's'}: ` +
+            `${missingEnvVariables.map((variable) => `"${variable}"`).join(', ')} `,
+        );
+        process.exit(1);
+    }
 
     await connectDB();
 
@@ -22,9 +33,9 @@ const start = async () => {
     const userUpdatedEvent = new UserUpdatedEventConsumer(kafkaClient);
     const jobUpdatedEvent = new jobUpdatedEventConsumer(kafkaClient);
 
-    // await userUpdatedEvent.subscribe();
-    // await userCreatedEvent.subscribe();
-    // await jobUpdatedEvent.subscribe();
+    await userUpdatedEvent.subscribe();
+    await userCreatedEvent.subscribe();
+    await jobUpdatedEvent.subscribe();
 
     app.listen(appConfig.PORT, () => {
         console.log(`job service Listening on port ${appConfig.PORT}....`);
diff --git a/payment/src/config/appConfig.ts b/payment/src/config/appConfig.ts
index a762cbc..f4d93f9 100644
--- a/payment/src/config/appConfig.ts
+++ b/payment/src/config/appConfig.ts
@@ -1,4 +1,4 @@
-interface IAppConfig {
+export interface IAppConfig {
     PORT: string | number;
     API_PREFIX: string;
     MONGO_URL_PAYMENT: string;
diff --git a/payment/src/index.ts b/payment/src/index.ts
index a43322e..2e9ae6f 100644
--- a/payment/src/index.ts
+++ b/payment/src/index.ts
@@ -2,18 +2,28 @@ import { connectDB } from './config/db.connection';
 import { app } from './frameworks/express/app';
 import { kafkaClient } from './config/kafka.connection';
 import { MembershipPlanCreatedEventConsumer } from './frameworks/utils/kafka-events/consumers/premiumPlanCreatedConsumer';
-import { appConfig } from './config/appConfig';
+import { appConfig, IAppConfig } from './config/appConfig';
 
 const start = async () => {
     console.log('Starting up profile....');
 
-    if (!appConfig.JWT_SECRET_KEY) throw new Error('JWT_SECRET_KEY must be defined');
+    // Env checking
+    const REQUIRED_ENV_VARIABLES = (Object.keys(appConfig) as (keyof IAppConfig)[])
 
-    if (!appConfig.JWT_REFRESH_SECRET_KEY) throw new Error('JWT_REFRESH_SECRET_KEY must be defined');
+    const missingEnvVariables: string[] = REQUIRED_ENV_VARIABLES.filter((key: keyof IAppConfig) => {
+        const value: string | number | string[] = appConfig[key];
+        return !value || (Array.isArray(value) && !value.length);
+    });
 
-    if (!appConfig.MONGO_URL_PAYMENT) throw new Error('MONGO_URL_PROFILE must be defined');
+    if (missingEnvVariables.length) {
+        // eslint-disable-next-line no-console
+        console.error(
+            `🚨 Missing the following required environment variable${missingEnvVariables.length === 1 ? '' : 's'}: ` +
+            `${missingEnvVariables.map((variable) => `"${variable}"`).join(', ')} `,
+        );
+        process.exit(1);
+    }
 
-    if (!appConfig.STRIPE_SECRET_KEY) throw new Error('STRIPE_SECRET_KEY must be defined');
 
     const membershipPlanCreatedEvent = new MembershipPlanCreatedEventConsumer(kafkaClient);
 
diff --git a/profile/src/config/appConfig.ts b/profile/src/config/appConfig.ts
index 2448cd3..5ad37cc 100644
--- a/profile/src/config/appConfig.ts
+++ b/profile/src/config/appConfig.ts
@@ -1,4 +1,4 @@
-interface IAppConfig {
+export interface IAppConfig {
     PORT: string | number;
     API_PREFIX: string;
     MONGO_URL_PROFILE: string;
diff --git a/profile/src/index.ts b/profile/src/index.ts
index 61480a0..40c2685 100644
--- a/profile/src/index.ts
+++ b/profile/src/index.ts
@@ -4,22 +4,27 @@ import { UserCreatedEventConsumer } from './frameworks/utils/kafka-events/consum
 import { UserUpdatedEventConsumer } from './frameworks/utils/kafka-events/consumers/user-updated-consumer';
 import { kafkaClient } from './config/kafka.connection';
 import { paymentCreatedEventConsumer } from './frameworks/utils/kafka-events/consumers/payment-created-consumer';
-import { appConfig } from './config/appConfig';
+import { appConfig, IAppConfig } from './config/appConfig';
 
 const start = async () => {
     console.log('Starting up profile....');
 
-    if (!appConfig.JWT_SECRET_KEY) throw new Error('JWT_SECRET_KEY must be defined');
-
-    if (!appConfig.JWT_REFRESH_SECRET_KEY) throw new Error('JWT_REFRESH_SECRET_KEY must be defined');
-
-    if (!appConfig.MONGO_URL_PROFILE) throw new Error('MONGO_URL_PROFILE must be defined');
-
-    if (!appConfig.CLOUDINARY_API_KEY) throw new Error('CLOUDINARY_API_KEY must be defined');
-
-    if (!appConfig.CLOUDINARY_API_SECRET) throw new Error('CLOUDINARY_API_SECRET must be defined');
-
-    if (!appConfig.CLOUDINARY_CLOUD_NAME) throw new Error('CLOUDINARY_CLOUD_NAME must be defined');
+    // Env checking
+    const REQUIRED_ENV_VARIABLES = (Object.keys(appConfig) as (keyof IAppConfig)[])
+
+    const missingEnvVariables: string[] = REQUIRED_ENV_VARIABLES.filter((key: keyof IAppConfig) => {
+        const value: string | number | string[] = appConfig[key];
+        return !value || (Array.isArray(value) && !value.length);
+    });
+
+    if (missingEnvVariables.length) {
+        // eslint-disable-next-line no-console
+        console.error(
+            `🚨 Missing the following required environment variable${missingEnvVariables.length === 1 ? '' : 's'}: ` +
+            `${missingEnvVariables.map((variable) => `"${variable}"`).join(', ')} `,
+        );
+        process.exit(1);
+    }
 
     await connectDB();