init

packages/server/src/database/database.ts

@@ -0,0 +1,36 @@
+import knex, { Knex } from 'knex';
+
+import { source } from './migrations/migrations.source.js';
+
+const tableNames = {
+  loads: 'loads',
+};
+
+class Database {
+  #instance?: Promise<Knex>;
+  #config: Knex.Config;
+
+  constructor(config: Knex.Config) {
+    this.#config = {
+      ...config,
+      migrations: {
+        migrationSource: source,
+      },
+    };
+  }
+
+  #setup = async (config: Knex.Config) => {
+    const db = knex(config);
+    await db.migrate.latest();
+    return db;
+  };
+
+  public get instance() {
+    if (!this.#instance) {
+      this.#instance = this.#setup(this.#config);
+    }
+    return this.#instance;
+  }
+}
+
+export { Database, tableNames };