added ngrok script, updated npm scripts and docker

Dockerfile

@@ -1,5 +1,5 @@
 FROM node:16
 WORKDIR /ffs/
 COPY package.json ./
-RUN npm install
+RUN npm install --only=prod
 COPY /src/build ./

package.json

@@ -4,10 +4,12 @@
   "version": "1.0.0",
   "main": "/src/server.js",
   "scripts": {
-    "start": "docker-compose up",
+    "start:docker": "docker-compose up",
+    "start:ngrok": "ngrok http 3000",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "tsc": "tsc",
-    "build": "tsc --build && docker-compose up --build --remove-orphans"
+    "build": "npm run open:page && npm run build:docker",
+    "build:docker": "node src/ngrok_script.js && tsc --build && docker-compose up --build --remove-orphans",
+    "open:page": "opener http://localhost:3000/auth"
   },
   "repository": {
     "type": "git",
@@ -32,6 +34,7 @@
     "eslint-plugin-import": "^2.25.3",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^5.1.1",
+    "opener": "^1.5.2",
     "typescript": "^4.5.2"
   }
 }

src/ngrok_script.js

@@ -0,0 +1,25 @@
+const axios = require('axios');
+const fs = require('fs');
+
+axios({
+  method: 'GET',
+  url: 'http://127.0.0.1:4040/api/tunnels'
+}).then(res => {
+  return res.data.tunnels;
+}).then(data => {
+  data.forEach((entry) => {
+    if (entry.name === 'command_line (http)') {
+      const data = fs.readFileSync(`${__dirname}/../.env`).toString();
+      if (data.includes(entry.public_url)) {
+        console.log("ngrok callback url not changed");
+        return;
+      }
+      const newData = data.replace(new RegExp(/http:\/\/.+\.ngrok\.io/g), entry.public_url);
+      fs.writeFileSync(`${__dirname}/../.env`, newData);
+      console.log("updated ngrok callback url");
+    }
+  })
+}).catch(err => {
+  console.log();
+  throw("ngrok server not started");
+});