Scaffold Apollo backend domain API

src/server.js

@@ -0,0 +1,50 @@
+import 'dotenv/config';
+
+import { readFileSync } from 'node:fs';
+
+import bodyParser from 'body-parser';
+import cors from 'cors';
+import express from 'express';
+import { ApolloServer } from '@apollo/server';
+import { expressMiddleware } from '@as-integrations/express5';
+
+import { buildContext } from './context.js';
+import { prisma } from './prisma-client.js';
+import { resolvers } from './resolvers.js';
+
+const typeDefs = readFileSync(new URL('./schema.graphql', import.meta.url), 'utf8');
+
+const server = new ApolloServer({
+  typeDefs,
+  resolvers,
+});
+
+await server.start();
+
+const app = express();
+app.use(cors());
+app.use(bodyParser.json({ limit: '1mb' }));
+
+app.get('/healthz', (_, res) => {
+  res.json({ status: 'ok' });
+});
+
+app.use(
+  '/graphql',
+  expressMiddleware(server, {
+    context: async ({ req }) => buildContext(req),
+  }),
+);
+
+const port = Number(process.env.PORT ?? 4000);
+app.listen(port, () => {
+  console.log(`apollo-backend running at http://localhost:${port}/graphql`);
+});
+
+async function shutdown() {
+  await server.stop();
+  await prisma.$disconnect();
+}
+
+process.on('SIGINT', shutdown);
+process.on('SIGTERM', shutdown);