Reputation Oracle - Vercel serverless

packages/apps/reputation-oracle/server/api/app.ts

@@ -0,0 +1,31 @@
+import { NestFactory } from '@nestjs/core';
+import { ExpressAdapter } from '@nestjs/platform-express';
+import express from 'express';
+import type { VercelRequest, VercelResponse } from '@vercel/node';
+import { AppModule } from '../src/app.module';
+import init from '../src/app-init';
+
+const expressApp = express();
+const adapter = new ExpressAdapter(expressApp);
+let nestAppInitialized = false;
+
+async function bootstrapNestApp() {
+  if (!nestAppInitialized) {
+    const app = await NestFactory.create(AppModule, adapter);
+    await init(app); // Initialize additional settings
+    await app.init();
+    nestAppInitialized = true;
+  }
+}
+
+export default async function handler(req: VercelRequest, res: VercelResponse) {
+  if (req.method === 'OPTIONS') {
+    res.statusCode = 200;
+    res.end();
+    return;
+  }
+
+  await bootstrapNestApp(); // Ensure NestJS app is bootstrapped
+
+  return expressApp(req, res);
+}

packages/apps/reputation-oracle/server/src/app-init.ts

@@ -0,0 +1,42 @@
+import session from 'express-session';
+import { ConfigService } from '@nestjs/config';
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
+import { json, urlencoded } from 'body-parser';
+import { useContainer } from 'class-validator';
+import helmet from 'helmet';
+import cookieParser from 'cookie-parser';
+
+import { AppModule } from './app.module';
+
+export default async function init(app: any) {
+  useContainer(app.select(AppModule), { fallbackOnErrors: true });
+  const configService: ConfigService = app.get(ConfigService);
+
+  app.use(cookieParser());
+
+  const sessionSecret = configService.get<string>('SESSION_SECRET', '');
+
+  app.use(
+    session({
+      secret: sessionSecret,
+      resave: false,
+      saveUninitialized: false,
+      cookie: {
+        secure: true,
+      },
+    }),
+  );
+  app.use(json({ limit: '5mb' }));
+  app.use(urlencoded({ limit: '5mb', extended: true }));
+
+  const config = new DocumentBuilder()
+    .addBearerAuth()
+    .setTitle('Reputation Oracle API')
+    .setDescription('Swagger Reputation Oracle API')
+    .setVersion('1.0')
+    .build();
+  const document = SwaggerModule.createDocument(app, config);
+  SwaggerModule.setup('swagger', app, document);
+
+  app.use(helmet());
+}

packages/apps/reputation-oracle/server/src/main.ts

@@ -1,72 +1,22 @@
-import session from 'express-session';
 import { NestFactory } from '@nestjs/core';
-import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
-import { json, urlencoded } from 'body-parser';
-import { useContainer } from 'class-validator';
-import helmet from 'helmet';
-import cookieParser from 'cookie-parser';
-
 import { AppModule } from './app.module';
 import { INestApplication } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import { ServerConfigService } from './common/config/server-config.service';
+import init from './app-init';
 
 async function bootstrap() {
   const app = await NestFactory.create<INestApplication>(AppModule, {
     cors: true,
   });
 
+  await init(app);
+
   const configService: ConfigService = app.get(ConfigService);
   const serverConfigService = new ServerConfigService(configService);
 
-  // const baseUrl = serverConfigService.feURL;
-
-  // app.enableCors({
-  //   origin:
-  //     process.env.NODE_ENV === 'development' ||
-  //     process.env.NODE_ENV === 'staging'
-  //       ? [
-  //           `http://localhost:3001`,
-  //           `http://127.0.0.1:3001`,
-  //           `http://0.0.0.0:3001`,
-  //           baseUrl,
-  //         ]
-  //       : [baseUrl],
-  //   credentials: true,
-  //   exposedHeaders: ['Content-Disposition'],
-  // });
-
-  useContainer(app.select(AppModule), { fallbackOnErrors: true });
-
-  app.use(cookieParser());
-
-  const sessionSecret = configService.get<string>('SESSION_SECRET', '');
-
-  app.use(
-    session({
-      secret: sessionSecret,
-      resave: false,
-      saveUninitialized: false,
-      cookie: {
-        secure: true,
-      },
-    }),
-  );
-  app.use(json({ limit: '5mb' }));
-  app.use(urlencoded({ limit: '5mb', extended: true }));
-
-  const config = new DocumentBuilder()
-    .addBearerAuth()
-    .setTitle('Reputation Oracle API')
-    .setDescription('Swagger Reputation Oracle API')
-    .setVersion('1.0')
-    .build();
-  const document = SwaggerModule.createDocument(app, config);
-  SwaggerModule.setup('swagger', app, document);
-
   const host = serverConfigService.host;
   const port = serverConfigService.port;
-  app.use(helmet());
 
   await app.listen(port, host, async () => {
     console.info(`API server is running on http://${host}:${port}`);

packages/apps/reputation-oracle/server/vercel.json

@@ -1,20 +1,55 @@
 {
   "version": 2,
-  "builds": [
-    {
-      "src": "src/main.ts",
-      "use": "@vercel/node"
+  "buildCommand": "yarn workspace @human-protocol/sdk build && yarn build",
+  "outputDirectory": "dist",
+  "functions": {
+    "api/app.ts":{
+      "maxDuration": 300
     }
+  },
+  "redirects": [
+    { "source": "/", "destination": "/swagger" }
   ],
-  "routes": [
-    {
-      "src": "/(.*)",
-      "dest": "src/main.ts",
-      "headers": {
-        "Access-Control-Allow-Origin": "*",
-        "Access-Control-Allow-Methods": "*",
-        "Access-Control-Allow-Headers": "X-Requested-With,Content-Type,Accept"
-      }
+  "rewrites": [
+    {
+      "source": "/swagger",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/swagger/(.*)",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/health",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/reputation(.*)",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/web3/prepare-signature",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/webhook",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/auth/(.*)",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/user/(.*)",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/kyc/(.*)",
+      "destination": "/api/app.ts"
+    },
+    {
+      "source": "/cron/(.*)",
+      "destination": "/api/app.ts"
     }
   ],
   "crons": [
@@ -27,5 +62,24 @@
       "schedule": "*/5 * * * *"
     }
   ],
+  "headers": [
+    {
+      "source": "/(.*)",
+      "headers": [
+        {
+          "key": "Access-Control-Allow-Origin",
+          "value": "*"
+        },
+        {
+          "key": "Access-Control-Allow-Methods",
+          "value": "*"
+        },
+        {
+          "key": "Access-Control-Allow-Headers",
+          "value": "*"
+        }
+      ]
+    }
+  ],
   "ignoreCommand": "git diff HEAD^ HEAD --quiet ."
 }