replypier/frontend/public/config.dev.js

// Runtime configuration - this file gets replaced at container startup
// Assigned to `self` so the service worker can importScripts() it too;
// in a page self === window, so window.APP_CONFIG still works.
self.APP_CONFIG = {
    // API URLs
    API_URL: "http://localhost:8000/api/v1",
    WS_URL: "ws://localhost:8000",
    WIDGET_URL: "http://localhost:8000",

    // Firebase Configuration (fill in for your own project; empty disables it)
    FIREBASE_API_KEY: "",
    FIREBASE_AUTH_DOMAIN: "",
    FIREBASE_PROJECT_ID: "",
    FIREBASE_MESSAGING_SENDER_ID: "",
    FIREBASE_APP_ID: "",
    FIREBASE_STORAGE_BUCKET: "",
    FIREBASE_MEASUREMENT_ID: "",
    FIREBASE_VAPID_KEY: "",

    // Razorpay Checkout
    RAZORPAY_KEY_ID: "",

    // Google Fonts API
    GOOGLE_FONTS_API_KEY: "",

    // Node Environment
    NODE_ENV: "development",
    HOST: "0.0.0.0"
  };