chore: Use imports as ES modules

packages/backend/knexfile.js

@@ -0,0 +1,33 @@
+import { knexSnakeCaseMappers } from 'objection';
+import appConfig from './src/config/app.js';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const fileExtension = 'js';
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+const knexConfig = {
+  client: 'pg',
+  connection: {
+    host: appConfig.postgresHost,
+    port: appConfig.postgresPort,
+    user: appConfig.postgresUsername,
+    password: appConfig.postgresPassword,
+    database: appConfig.postgresDatabase,
+    ssl: appConfig.postgresEnableSsl,
+  },
+  asyncStackTraces: appConfig.isDev,
+  searchPath: [appConfig.postgresSchema],
+  pool: { min: 0, max: 20 },
+  migrations: {
+    directory: __dirname + '/src/db/migrations',
+    extension: fileExtension,
+    loadExtensions: [`.${fileExtension}`],
+  },
+  seeds: {
+    directory: __dirname + '/src/db/seeds',
+  },
+  ...(appConfig.isTest ? knexSnakeCaseMappers() : {}),
+};
+
+export default knexConfig;