diff --git a/README.md b/README.md
index 24171fb..b4b469e 100644
--- a/README.md
+++ b/README.md
@@ -14,4 +14,5 @@ Before Runningthis on you local machine some things have to be setup
    DOMAIN: THE DOMAIN NAME OF THE SERVER
    MAILPASSWORD: THE PASSWORD FOR THE MAIL ACCOUNT
    DEV: SWITCH FOR DEV MODE AFFECTS EMAIL SERVER
+   ALLOW_ORIGIN: ORIGIN OF THE PRODUCTION CLIENT (FOR CORS)
    ```
diff --git a/package.json b/package.json
index d247c39..b21172b 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
   "homepage": "https://github.com/detleph/server#readme",
   "dependencies": {
     "@prisma/client": "^3.3.0",
+    "@types/cors": "^2.8.12",
     "@types/handlebars": "^4.1.0",
     "@types/jsonwebtoken": "^8.5.5",
     "@types/mjml": "^4.7.0",
@@ -27,10 +28,11 @@
     "@types/nodemailer": "^6.4.4",
     "@types/redis": "^2.8.32",
     "argon2": "^0.28.2",
+    "cors": "^2.8.5",
     "dotenv": "^10.0.0",
     "express": "^4.17.1",
-    "handlebars": "^4.7.7",
     "express-async-errors": "^3.1.1",
+    "handlebars": "^4.7.7",
     "jsonwebtoken": "^8.5.1",
     "mjml": "^4.11.0",
     "nanoid": "^3.3.3",
diff --git a/src/app.ts b/src/app.ts
index 83da103..58762fe 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -3,6 +3,7 @@ import prisma from "./lib/prisma";
 import eventRouter from "./Routes/event.routes";
 import adminAuthRouter from "./Routes/admin_auth.routes";
 import argon2 from "argon2";
+import cors from "cors";
 import adminRouter from "./Routes/admin.routes";
 import organisationRouter from "./Routes/organisation.routes";
 import groupRouter from "./Routes/group.routes";
@@ -36,8 +37,22 @@ async function main() {
       },
       update: {},
     });
+
+    // Allow all CORS requests
+    app.use(cors());
   } else {
     logger.info("Using production mode");
+
+    // Configure cors
+    app.use(
+      cors({
+        origin: process.env.ALLOW_ORIGIN,
+        allowedHeaders: ["Content-Type", "Authorization"],
+        preflightContinue: false,
+        methods: ["GET", "PUT", "PATCH", "POST", "DELETE"],
+        optionsSuccessStatus: 204,
+      })
+    );
   }
 
   // Todo: Everything