Connection to database ok with env vars

.gitignore

@@ -11,6 +11,9 @@ yarn-debug.log*
 yarn-error.log*
 lerna-debug.log*
 
+#env
+.env*
+
 # OS
 .DS_Store
 

package-lock.json

@@ -10,6 +10,7 @@
       "license": "UNLICENSED",
       "dependencies": {
         "@nestjs/common": "^8.0.0",
+        "@nestjs/config": "^1.1.6",
         "@nestjs/core": "^8.0.0",
         "@nestjs/platform-express": "^8.0.0",
         "@nestjs/sequelize": "^8.0.0",
@@ -1341,6 +1342,22 @@
         }
       }
     },
+    "node_modules/@nestjs/config": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/@nestjs/config/-/config-1.1.6.tgz",
+      "integrity": "sha512-HYizKt6Dr6gcZl8FmZbTfQxP0MG8oXMh+gVFT0XCwYDAq26BOKyhPsIxrKsryicVeKViRgetCUhlJY9EqaekZA==",
+      "dependencies": {
+        "dotenv": "10.0.0",
+        "dotenv-expand": "5.1.0",
+        "lodash": "4.17.21",
+        "uuid": "8.3.2"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^7.0.0 || ^8.0.0",
+        "reflect-metadata": "^0.1.13",
+        "rxjs": "^6.0.0 || ^7.2.0"
+      }
+    },
     "node_modules/@nestjs/core": {
       "version": "8.2.5",
       "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-8.2.5.tgz",
@@ -3522,6 +3539,19 @@
         "node": ">=8"
       }
     },
+    "node_modules/dotenv": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-10.0.0.tgz",
+      "integrity": "sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==",
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/dotenv-expand": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/dotenv-expand/-/dotenv-expand-5.1.0.tgz",
+      "integrity": "sha512-YXQl1DSa4/PQyRfgrv6aoNjhasp/p4qs9FjJ4q4cQk+8m4r6k4ZSiEyytKG8f8W9gi8WsQtIObNmKd+tMzNTmA=="
+    },
     "node_modules/dottie": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.2.tgz",
@@ -10262,6 +10292,17 @@
         "uuid": "8.3.2"
       }
     },
+    "@nestjs/config": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/@nestjs/config/-/config-1.1.6.tgz",
+      "integrity": "sha512-HYizKt6Dr6gcZl8FmZbTfQxP0MG8oXMh+gVFT0XCwYDAq26BOKyhPsIxrKsryicVeKViRgetCUhlJY9EqaekZA==",
+      "requires": {
+        "dotenv": "10.0.0",
+        "dotenv-expand": "5.1.0",
+        "lodash": "4.17.21",
+        "uuid": "8.3.2"
+      }
+    },
     "@nestjs/core": {
       "version": "8.2.5",
       "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-8.2.5.tgz",
@@ -11959,6 +12000,16 @@
         }
       }
     },
+    "dotenv": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-10.0.0.tgz",
+      "integrity": "sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q=="
+    },
+    "dotenv-expand": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/dotenv-expand/-/dotenv-expand-5.1.0.tgz",
+      "integrity": "sha512-YXQl1DSa4/PQyRfgrv6aoNjhasp/p4qs9FjJ4q4cQk+8m4r6k4ZSiEyytKG8f8W9gi8WsQtIObNmKd+tMzNTmA=="
+    },
     "dottie": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.2.tgz",

package.json

@@ -22,6 +22,7 @@
   },
   "dependencies": {
     "@nestjs/common": "^8.0.0",
+    "@nestjs/config": "^1.1.6",
     "@nestjs/core": "^8.0.0",
     "@nestjs/platform-express": "^8.0.0",
     "@nestjs/sequelize": "^8.0.0",

src/app.module.ts

@@ -2,23 +2,29 @@ import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { SequelizeModule } from '@nestjs/sequelize';
+
 import { User } from './users/user.model';
 import { UsersModule } from './users/users.module';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+
 
 @Module({
   imports: [
-    SequelizeModule.forRoot({
-      dialect: 'mysql',
-      host: 'localhost',
-      port: 3306,
-      username: 'root',
-      password: 'root',
-      database: 'test',
-      models: [
-        User
-      ],
-      autoLoadModels: true,
-      synchronize: true
+    ConfigModule.forRoot({
+      cache: true,
+    }),
+    SequelizeModule.forRootAsync({
+      imports: [ConfigModule],
+      useFactory: (configService: ConfigService) => ({
+        dialect: 'mysql',
+        host: configService.get("DB_HOST", "localhost"),
+        port: configService.get("DB_PORT", 3306),
+        username: configService.get("DB_USER", "root"),
+        password: configService.get("DB_PASS", ""),
+        database: configService.get("DB_NAME", "test"),
+        autoLoadModels: true,
+      }),
+      inject: [ConfigService],
     }),
     UsersModule
   ],

src/main.ts

@@ -1,8 +1,12 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
+import { ConfigService } from '@nestjs/config';
+
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  await app.listen(3000);
+  const configService = app.get(ConfigService);
+
+  await app.listen(configService.get("APP_PORT", 3000));
 }
 bootstrap();