chore(server): rename database connection variables (#1437)

server/libs/infra/src/db/config/database.config.ts

@@ -1,26 +1,25 @@
 import { PostgresConnectionOptions } from 'typeorm/driver/postgres/PostgresConnectionOptions';
 import { DataSource } from 'typeorm';
 
-const baseDatabaseConfig: PostgresConnectionOptions = {
+const url = process.env.DB_URL;
+const urlOrParts = url
+  ? { url }
+  : {
+      host: process.env.DB_HOSTNAME || 'immich_postgres',
+      port: parseInt(process.env.DB_PORT || '5432'),
+      username: process.env.DB_USERNAME,
+      password: process.env.DB_PASSWORD,
+      database: process.env.DB_DATABASE_NAME,
+    };
+
+export const databaseConfig: PostgresConnectionOptions = {
   type: 'postgres',
   entities: [__dirname + '/../**/*.entity.{js,ts}'],
   synchronize: false,
   migrations: [__dirname + '/../migrations/*.{js,ts}'],
   migrationsRun: true,
   connectTimeoutMS: 10000, // 10 seconds
+  ...urlOrParts,
 };
 
-const envBasedDatabaseConfig = {
-  host: process.env.DB_HOSTNAME || 'immich_postgres',
-  port: parseInt(process.env.DB_PORT || '5432'),
-  username: process.env.DB_USERNAME,
-  password: process.env.DB_PASSWORD,
-  database: process.env.DB_DATABASE_NAME,
-};
-
-const url = process.env.DB_URL;
-const additionalSSLDatabaseConfig = url ? { url } : envBasedDatabaseConfig;
-
-export const databaseConfig: PostgresConnectionOptions = { ...baseDatabaseConfig, ...additionalSSLDatabaseConfig };
-
 export const dataSource = new DataSource(databaseConfig);