feat: Add a health check endpoint. (#311)

packages/create-bison-app/template/pages/api/health.ts

@@ -0,0 +1,30 @@
+import { NextApiRequest, NextApiResponse } from 'next';
+
+import { prisma } from '@/lib/prisma';
+
+export default async function handler(_req: NextApiRequest, res: NextApiResponse) {
+  let databaseWorking = false;
+
+  try {
+    await prisma.user.findFirst();
+    databaseWorking = true;
+  } catch (err) {}
+
+  const data = {
+    env: {
+      NODE_ENV: process.env.NODE_ENV,
+      NEXT_PUBLIC_APP_ENV: process.env.NEXT_PUBLIC_APP_ENV,
+      SHOULD_MIGRATE: process.env.SHOULD_MIGRATE,
+      FC_GIT_COMMIT_SHA: process.env.FC_GIT_COMMIT_SHA,
+    },
+    status: {
+      database: databaseWorking,
+    },
+  };
+
+  const healthy = databaseWorking;
+
+  const statusCode = healthy ? 200 : 503;
+
+  res.status(statusCode).json(data);
+}