Add config.js, dockerfile

server/src/config.js

@@ -0,0 +1,13 @@
+function get(key, defaultValue) {
+  const value = process.env[key]
+  if (value != null) {
+    return value
+  }
+  return defaultValue
+}
+
+export default {
+  host: get('HOST', 'localhost'),
+  port: get('PORT', 3000),
+  db: get('MONGO_URL', 'mongodb://localhost:27017/odyssey-test'),
+}

server/src/db.js

@@ -1,8 +1,9 @@
 import mongoose from 'mongoose'
+import config from './config.js'
 
 export default async function connectDB() {
   try {
-    await mongoose.connect('mongodb://localhost:27017/odyssey-test')
+    await mongoose.connect(config.db)
     console.log('Connected to MongoDB')
   } catch (err) {
     console.log(err)

server/src/index.js

@@ -8,9 +8,9 @@ import socketServer from './api/socket.js'
 import connectDB from './db.js'
 import apiRouter from './api/routes/index.js'
 import loadAndUpdateQuests from './utils/quest.js'
+import config from './config.js'
 
 async function main() {
-  const port = 3000
   const app = express()
   const server = http.createServer(app)
   socketServer(server)
@@ -28,8 +28,8 @@ async function main() {
 
   app.use('/api/v1', apiRouter)
 
-  server.listen(port, () => {
-    console.log(`Server listening at http://localhost:${port}`)
+  server.listen(config.port, config.host, () => {
+    console.log(`Server listening at http://${config.host}:${config.port}`)
   })
 }