feat: initial boilerplate

api/libraries/auth/config.ts

@@ -0,0 +1,25 @@
+import { readFile } from "node:fs/promises";
+import { resolve } from "node:path";
+
+import type { SerializeOptions } from "cookie";
+
+import { getEnvironmentVariable, toBoolean } from "~libraries/config/mod.ts";
+
+export const config = {
+  privateKey: getEnvironmentVariable(
+    "AUTH_PRIVATE_KEY",
+    await readFile(resolve(import.meta.dirname!, ".keys", "private"), "utf-8"),
+  ),
+  publicKey: getEnvironmentVariable(
+    "AUTH_PUBLIC_KEY",
+    await readFile(resolve(import.meta.dirname!, ".keys", "public"), "utf-8"),
+  ),
+  cookie: (maxAge: number) =>
+    ({
+      httpOnly: true,
+      secure: getEnvironmentVariable("AUTH_COOKIE_SECURE", toBoolean, "false"), // Set to true for HTTPS in production
+      maxAge,
+      path: "/",
+      sameSite: "strict",
+    }) satisfies SerializeOptions,
+};