Added auth!

src/lib/server/auth.ts

@@ -0,0 +1,38 @@
+import { DrizzlePostgreSQLAdapter } from "@lucia-auth/adapter-drizzle";
+import { Lucia } from "lucia";
+import { dev } from "$app/environment";
+import { userTable, sessionTable } from "$lib/db/schema";
+import { db } from "$lib/db/db.server";
+import { Argon2id } from "oslo/password";
+
+const adapter = new DrizzlePostgreSQLAdapter(db, sessionTable, userTable);
+
+export const lucia = new Lucia(adapter, {
+  sessionCookie: {
+    attributes: {
+      secure: !dev,
+    },
+  },
+  getUserAttributes: (attributes) => {
+    return {
+      // attributes has the type of DatabaseUserAttributes
+      username: attributes.username,
+    };
+  },
+});
+
+declare module "lucia" {
+  interface Register {
+    Lucia: typeof lucia;
+    DatabaseUserAttributes: DatabaseUserAttributes;
+  }
+}
+
+interface DatabaseUserAttributes {
+  username: string;
+}
+export interface DatabaseUser {
+  id: string;
+  username: string;
+  hashed_password: string;
+}