More docker, express and config setup

src/app.ts

@@ -1 +1,18 @@
-console.log('pouet]')
+import { PrismaClient } from '@prisma/client'
+import express from 'express'
+import * as dotenv from 'dotenv'
+
+dotenv.config()
+
+const app = express()
+const prisma = new PrismaClient()
+const port = process.env.API_PORT
+
+app.use(express.json())
+app.use(express.urlencoded({ extended: false }))
+
+app.get('/v1/', async (req, res, next) => {
+    res.send({ code: 200, message: "SnippetsManager v1.0" })
+})
+
+app.listen(port, () => console.log(`Listening on port ${port}`))