basic db setup with drizzle

src/db/client.ts

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+import "dotenv/config";
+import { drizzle } from "drizzle-orm/node-postgres";
+
+if (!process.env.DATABASE_URL) {
+    throw new Error("DATABASE_URL is not set in environment variables");
+}
+
+export const db = drizzle({
+    connection: {
+        connectionString: process.env.DATABASE_URL,
+    },
+});
+
+export const testDB = async () => {
+    try {
+        await db.execute("SELECT 1;");
+        console.log("db connected");
+    } catch (err) {
+        console.log("db down");
+        process.exit();
+    }
+};

src/db/schema.ts

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+import { integer, pgTable, varchar } from "drizzle-orm/pg-core";
+
+export const User = pgTable("User", {
+    id: integer().primaryKey().generatedAlwaysAsIdentity(),
+    name: varchar({ length: 256 }).notNull(),
+    username: varchar({ length: 32 }).notNull().unique(),
+});

src/index.ts

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+import { db, testDB } from "./db/client";
+import { User } from "./db/schema";
+
+const DEV = process.argv.find((arg) => ["--dev", "--developer", "-d"].includes(arg.toLowerCase())) != null;
+const PORT = process.argv.find((arg) => arg.toLowerCase().startsWith("--port="))?.split("=")[1] || "3500";
+
+const main = async () => {
+    const server = Bun.serve({
+        port: Number(PORT),
+        routes: {
+            "/": () => new Response(`title: eussi\ndev-mode: ${DEV}\nport: ${PORT}`),
+        },
+    });
+
+    console.log(`eussi (issue server) listening on ${server.url}`);
+    await testDB();
+
+    const users = await db.select().from(User);
+    console.log(`serving ${users.length} user${users.length === 1 ? "" : "s"}`);
+};
+
+main();