Add swagger

server/index.js

@@ -1,5 +1,9 @@
+import fs from 'fs'
 import express from 'express'
 import http from 'http'
+import YAML from 'yaml'
+import swaggerUI from 'swagger-ui-express'
+
 import socketServer from './socket.js'
 
 const port = 3000
@@ -7,6 +11,10 @@ const app = express()
 const server = http.createServer(app)
 socketServer(server)
 
+const file = fs.readFileSync('./api/swagger.yaml', 'utf8')
+const swaggerDocument = YAML.parse(file)
+app.use('/api-docs', swaggerUI.serve, swaggerUI.setup(swaggerDocument))
+
 app.get('/', (req, res) => {
   res.send('Hello World!')
 })