Add basic dotenv-powered config

.sample-env

@@ -0,0 +1 @@
+SNIPBOT_PORT=5000

index.js

@@ -1,12 +1,17 @@
 const express = require("express")
 const bodyParser = require("body-parser")
 
+// Let's load some configuration!
+require("dotenv").config()
+
+const port = process.env.SNIPBOT_PORT || 5000
+
 const app = express()
 
 app.use(bodyParser.json())
 
-app.listen(5000, () => {
-  console.log(`Server is running on port 5000.`)
+app.listen(port, () => {
+  console.log(`Server is running on port ${port}.`)
 })
 
 app.get("/", (req, res) => {

package.json

@@ -9,6 +9,7 @@
   "private": true,
   "dependencies": {
     "body-parser": "^1.19.0",
+    "dotenv": "^8.2.0",
     "express": "^4.17.1"
   }
 }

yarn.lock

@@ -75,6 +75,11 @@ destroy@~1.0.4:
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
+dotenv@^8.2.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.2.0.tgz#97e619259ada750eea3e4ea3e26bceea5424b16a"
+  integrity sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw==
+
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"