Use Fastify Mercurius and GraphQL contracts

src/index.ts

@@ -1,36 +1,38 @@
-import express from 'express'
-import cors from 'cors'
-import { ApolloServer } from '@apollo/server'
-import { expressMiddleware } from '@as-integrations/express5'
-import * as Sentry from '@sentry/node'
-import { resolvers, typeDefs } from './schema.js'
+import Fastify from "fastify";
+import cors from "@fastify/cors";
+import mercurius from "mercurius";
+import * as Sentry from "@sentry/node";
+import { resolvers, typeDefs } from "./schema.js";
 
-const PORT = Number.parseInt(process.env.PORT || '8000', 10)
-const SENTRY_DSN = process.env.SENTRY_DSN || ''
-const corsOrigins = (process.env.CORS_ORIGINS || 'https://optovia.ru,https://app.optovia.ru')
-  .split(',')
-  .map(origin => origin.trim())
-  .filter(origin => origin.length > 0)
+const PORT = Number.parseInt(process.env.PORT || "8000", 10);
+const SENTRY_DSN = process.env.SENTRY_DSN || "";
+const corsOrigins = (
+  process.env.CORS_ORIGINS || "https://optovia.ru,https://app.optovia.ru"
+)
+  .split(",")
+  .map((origin) => origin.trim())
+  .filter((origin) => origin.length > 0);
 
 if (SENTRY_DSN) {
   Sentry.init({
     dsn: SENTRY_DSN,
     tracesSampleRate: 0.01,
-    release: process.env.RELEASE_VERSION || '1.0.0',
-    environment: process.env.ENVIRONMENT || 'production',
-  })
+    release: process.env.RELEASE_VERSION || "1.0.0",
+    environment: process.env.ENVIRONMENT || "production",
+  });
 }
 
-const app = express()
-app.use(cors({ origin: corsOrigins, credentials: true }))
+const app = Fastify();
+await app.register(cors, { origin: corsOrigins, credentials: true });
+await app.register(mercurius, {
+  schema: typeDefs,
+  resolvers,
+  path: "/graphql",
+  graphiql: true,
+});
 
-const server = new ApolloServer({ typeDefs, resolvers, introspection: true })
-await server.start()
+app.get("/health", async () => ({ status: "ok", service: "exchange" }));
 
-app.use('/graphql', express.json(), expressMiddleware(server))
-app.get('/health', (_, res) => { res.json({ status: 'ok', service: 'exchange' }) })
-
-app.listen(PORT, '0.0.0.0', () => {
-  console.log(`Exchange server ready on port ${PORT}`)
-  console.log('  /graphql - suppliers, products, quotes')
-})
+await app.listen({ port: PORT, host: "0.0.0.0" });
+console.log(`Exchange server ready on port ${PORT}`);
+console.log("  /graphql - suppliers, products, quotes");