502 BAD GATEWAY In production - API calls

import { defineNuxtConfig } from "nuxt/config";

export default defineNuxtConfig({
  devtools: { enabled: true },
  ssr: true,
  nitro: {
    preset: "node-server",
  },
  target: "server",
  modules: [
    "nuxt-icon",
    "@nuxt/content",
    "@pinia/nuxt",
    // "nuxt-security",
    "@nuxt/image",
    "nuxt-vuefire",
  ],
  vuefire: {
    config: {
      apiKey: process.env.FIREBASE_API_KEY,
      authDomain: process.env.FIREBASE_AUTH_DOMAIN,
      projectId: process.env.FIREBASE_PROJECT_ID,
      storageBucket: process.env.STORGE_BUCKET,
      messagingSenderId: process.env.SENDER_ID,
      appId: process.env.FIREBASE_APP_ID,
    },
    auth: {
      enabled: true,
      // errorMap: "debug",
      // popupRedirectResolver: false,
      // sessionCookie: false,
    },
  },
  runtimeConfig: {
    MONGODB_URI: process.env.MONGODB_URI,
    PAYPAL_CLIENT_ID: process.env.PAYPAL_CLIENT_ID,
    PAYPAL_CLIENT_SECRET: process.env.PAYPAL_CLIENT_SECRET,
    BRAND_EMAIL: process.env.BRAND_EMAIL,
    BRAND_PASS: process.env.BRAND_PASS,
  },

  buildModules: ["@nuxtjs/vuetify", "@nuxt/typescript-build"],
  vuetify: {},
  css: ["~/assets/css/main.css", "vuetify/lib/styles/main.sass"],
  build: {
    transpile: ["vuetify"],
    loaders: {
      sass: {
        implementation: require("sass"),
      },
    },
  },
  postcss: {
    plugins: {
      tailwindcss: {},
      autoprefixer: {},
    },
  },
});