Use Fastify Mercurius and GraphQL contracts

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "graphql-contracts"]
+	path = graphql-contracts
+	url = git@gitea.dsrptlab.com:optovia/geo-graphql-contracts.git

package.json

@@ -8,16 +8,14 @@
     "dev": "tsx --watch src/index.ts"
   },
   "dependencies": {
-    "@apollo/server": "^4.11.3",
+    "@fastify/cors": "^11.2.0",
     "@sentry/node": "^9.5.0",
     "arangojs": "^9.2.0",
-    "cors": "^2.8.5",
-    "express": "^5.0.1",
-    "h3-js": "^4.2.1"
+    "fastify": "^5.8.5",
+    "h3-js": "^4.2.1",
+    "mercurius": "^16.9.0"
   },
   "devDependencies": {
-    "@types/cors": "^2.8.17",
-    "@types/express": "^5.0.0",
     "@types/node": "^22.13.0",
     "tsx": "^4.19.3",
     "typescript": "^5.7.3"

src/index.ts

@@ -1,22 +1,21 @@
-import express from 'express'
-import cors from 'cors'
-import { ApolloServer } from '@apollo/server'
-import { expressMiddleware } from '@apollo/server/express4'
-import { typeDefs, resolvers } from './schema.js'
+import Fastify from "fastify";
+import cors from "@fastify/cors";
+import mercurius from "mercurius";
+import { typeDefs, resolvers } from "./schema.js";
 
-const PORT = parseInt(process.env.PORT || '8000', 10)
+const PORT = Number.parseInt(process.env.PORT || "8000", 10);
 
-const app = express()
-app.use(cors({ origin: ['https://optovia.ru'], credentials: true }))
+const app = Fastify();
+await app.register(cors, { origin: ["https://optovia.ru"], credentials: true });
+await app.register(mercurius, {
+  schema: typeDefs,
+  resolvers,
+  path: "/graphql/public",
+  graphiql: true,
+});
 
-const server = new ApolloServer({ typeDefs, resolvers, introspection: true })
-await server.start()
+app.get("/health", async () => ({ status: "ok" }));
 
-app.use('/graphql/public', express.json(), expressMiddleware(server) as unknown as express.RequestHandler)
-
-app.get('/health', (_, res) => { res.json({ status: 'ok' }) })
-
-app.listen(PORT, '0.0.0.0', () => {
-  console.log(`Geo server ready on port ${PORT}`)
-  console.log(`  /graphql/public  - public (no auth)`)
-})
+await app.listen({ port: PORT, host: "0.0.0.0" });
+console.log(`Geo server ready on port ${PORT}`);
+console.log(`  /graphql/public  - public (no auth)`);