fix: use config to load credentials for db

Signed-off-by: Anmol Sharma <anmolsharma0234@gmail.com>

config/config.yaml

@@ -0,0 +1,7 @@
+db:
+  host: <host>
+  port: <port>
+  username: <username>
+  password: <password>
+  databaseName: silent-pay-indexer
+  synchronize: false

config/dev.config.yaml

@@ -0,0 +1,7 @@
+db:
+  host: localhost
+  port: 5432
+  username: root
+  password: password
+  databaseName: silent-pay-indexer
+  synchronize: false

nest-cli.json

@@ -6,6 +6,12 @@
     "webpack": true,
     "webpackConfigPath": "webpack.config.js",
     "builder": "webpack",
-    "deleteOutDir": true
+    "deleteOutDir": true,
+    "assets": [
+      {
+        "include": "../config/*",
+        "outDir": "./dist/config"
+      }
+    ]
   }
 }

package.json

@@ -9,8 +9,8 @@
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start": "nest start",
-    "start:dev": "nest build --webpack --webpackPath webpack-hmr.config.js --watch",
-    "start:debug": "nest build --webpack --webpackPath webpack-hmr.config.js --debug --watch",
+    "start:dev": "NODE_ENV=dev nest build --webpack --webpackPath webpack-hmr.config.js --watch",
+    "start:debug": "NODE_ENV=dev nest build --webpack --webpackPath webpack-hmr.config.js --debug --watch",
     "start:prod": "node dist/main",
     "format:check": "prettier --check \"src/**/*.ts\"",
     "format:fix": "prettier --write --loglevel=silent \"src/**/*.ts\"",
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "@nestjs/common": "^9.0.0",
+    "@nestjs/config": "^3.2.2",
     "@nestjs/core": "^10.3.7",
     "@nestjs/microservices": "^10.3.7",
     "@nestjs/passport": "^9.0.3",
@@ -33,6 +34,7 @@
     "@nestjs/swagger": "^7.3.1",
     "@nestjs/typeorm": "^10.0.2",
     "@nestjs/websockets": "^10.3.7",
+    "js-yaml": "^4.1.0",
     "pg": "^8.11.5",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.2.0",
@@ -44,6 +46,7 @@
     "@nestjs/testing": "^10.3.7",
     "@types/express": "^4.17.13",
     "@types/jest": "29.5.0",
+    "@types/js-yaml": "^4.0.9",
     "@types/node": "18.15.11",
     "@types/supertest": "^2.0.11",
     "@typescript-eslint/eslint-plugin": "^5.0.0",

src/app.module.ts

@@ -2,18 +2,29 @@ import { Module } from '@nestjs/common';
 import { AppController } from '@/app.controller';
 import { AppService } from '@/app.service';
 import { TypeOrmModule } from '@nestjs/typeorm';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import configuration from '@/configuration';
 
 @Module({
     imports: [
-        TypeOrmModule.forRoot({
-            type: 'postgres',
-            host: 'localhost',
-            port: 5432,
-            username: 'root',
-            password: 'password',
-            database: 'silent-pay-indexer',
-            synchronize: true,
-            autoLoadEntities: true,
+        ConfigModule.forRoot({
+            ignoreEnvFile: true,
+            load: [configuration],
+            isGlobal: true,
+        }),
+        TypeOrmModule.forRootAsync({
+            imports: [ConfigModule],
+            inject: [ConfigService],
+            useFactory: (configService: ConfigService) => ({
+                type: 'postgres',
+                host: configService.get<string>('db.host'),
+                port: configService.get<number>('db.port'),
+                username: configService.get<string>('db.username'),
+                password: configService.get<string>('db.password'),
+                database: configService.get<string>('db.databaseName'),
+                synchronize: configService.get<boolean>('db.synchronize'),
+                autoLoadEntities: true,
+            }),
         }),
     ],
     controllers: [AppController],