diff --git a/backend/karaoqueue-backend/package-lock.json b/backend/karaoqueue-backend/package-lock.json
index 68bfea2..b61db99 100644
--- a/backend/karaoqueue-backend/package-lock.json
+++ b/backend/karaoqueue-backend/package-lock.json
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diff --git a/backend/karaoqueue-backend/package.json b/backend/karaoqueue-backend/package.json
index bfed26e..644b525 100644
--- a/backend/karaoqueue-backend/package.json
+++ b/backend/karaoqueue-backend/package.json
@@ -5,7 +5,6 @@
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     "test": "echo \"Error: no test specified\" && exit 1"
@@ -13,16 +12,25 @@
   "author": "Phillip Kühne",
   "license": "ISC",
   "devDependencies": {
+    "@types/body-parser": "^1.19.0",
     "@types/debug": "^4.1.5",
     "@types/express": "^4.17.6",
+    "@types/multer": "^1.4.3",
     "@types/node": "^14.0.5",
     "tslint": "^6.1.2",
     "typescript": "^3.9.3"
   },
   "dependencies": {
     "@types/mongodb": "^3.5.18",
+    "body-parser": "^1.19.0",
+    "class-transformer": "^0.2.3",
+    "class-validator": "^0.12.2",
+    "cors": "^2.8.5",
     "debug": "^4.1.1",
     "express": "^4.17.1",
-    "mongodb": "^3.5.7"
+    "mongodb": "^3.5.7",
+    "multer": "^1.4.2",
+    "reflect-metadata": "^0.1.13",
+    "routing-controllers": "^0.9.0-alpha.1"
   }
 }
diff --git a/backend/karaoqueue-backend/tsconfig.json b/backend/karaoqueue-backend/tsconfig.json
index 9e126a3..faead7f 100644
--- a/backend/karaoqueue-backend/tsconfig.json
+++ b/backend/karaoqueue-backend/tsconfig.json
@@ -4,6 +4,9 @@
         "module": "commonjs",
         "outDir": "dist",
         "sourceMap": true,
+        "esModuleInterop": true,
+        "emitDecoratorMetadata": true,
+        "experimentalDecorators": true,
     },
     "include": [
         "src/**/*.ts"