Add env validation

package-lock.json

@@ -14,6 +14,7 @@
         "@nestjs/core": "^10.0.0",
         "@nestjs/mongoose": "^11.0.0",
         "@nestjs/platform-express": "^10.0.0",
+        "joi": "^17.13.3",
         "reflect-metadata": "^0.2.0",
         "rxjs": "^7.8.1"
       },
@@ -857,6 +858,21 @@
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       }
     },
+    "node_modules/@hapi/hoek": {
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.3.0.tgz",
+      "integrity": "sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@hapi/topo": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.1.0.tgz",
+      "integrity": "sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
     "node_modules/@humanwhocodes/config-array": {
       "version": "0.13.0",
       "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.13.0.tgz",
@@ -1880,6 +1896,27 @@
         "url": "https://opencollective.com/unts"
       }
     },
+    "node_modules/@sideway/address": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.5.tgz",
+      "integrity": "sha512-IqO/DUQHUkPeixNQ8n0JA6102hT9CmaljNTPmQ1u8MEhBo/R4Q8eKLN/vGZxuebwOroDB4cbpjheD4+/sKFK4Q==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
+    "node_modules/@sideway/formula": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.1.tgz",
+      "integrity": "sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@sideway/pinpoint": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
+      "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ==",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.8",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.8.tgz",
@@ -6358,6 +6395,19 @@
         "url": "https://github.com/chalk/supports-color?sponsor=1"
       }
     },
+    "node_modules/joi": {
+      "version": "17.13.3",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.13.3.tgz",
+      "integrity": "sha512-otDA4ldcIx+ZXsKHWmp0YizCweVRZG96J10b0FevjfuncLO1oX59THoAmHkNubYJ+9gWsYsp5k8v4ib6oDv1fA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^9.3.0",
+        "@hapi/topo": "^5.1.0",
+        "@sideway/address": "^4.1.5",
+        "@sideway/formula": "^3.0.1",
+        "@sideway/pinpoint": "^2.0.0"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",

package.json

@@ -25,6 +25,7 @@
     "@nestjs/core": "^10.0.0",
     "@nestjs/mongoose": "^11.0.0",
     "@nestjs/platform-express": "^10.0.0",
+    "joi": "^17.13.3",
     "reflect-metadata": "^0.2.0",
     "rxjs": "^7.8.1"
   },

src/app.module.ts

@@ -4,10 +4,19 @@ import { AppService } from './app.service';
 import { ConfigModule } from '@nestjs/config';
 import { MongooseModule } from '@nestjs/mongoose';
 import { ShowsModule } from './shows/shows.module';
+import * as Joi from 'joi';
 
 @Module({
   imports: [
-    ConfigModule.forRoot(),
+    ConfigModule.forRoot({
+      validationSchema: Joi.object({
+        NODE_ENV: Joi.string()
+          .valid('development', 'production')
+          .default('development'),
+        URI: Joi.string().uri().required(),
+        PORT: Joi.number().port().default(3000),
+      }),
+    }),
     MongooseModule.forRoot(process.env.URI),
     ShowsModule,
   ],

src/main.ts

@@ -15,6 +15,6 @@ async function bootstrap() {
     logger.log("In development mode, not enabling CORS")
   }
 
-  await app.listen(process.env.PORT ?? 3000);
+  await app.listen(process.env.PORT);
 }
 bootstrap();