next.config.js

const { i18n } = require('./next-i18next.config')

//formatting TC Date
const builddate = process.env.BUILD_DATE
  ? process.env.BUILD_DATE.substring(0, 4) +
    '-' +
    process.env.BUILD_DATE.substring(4, 6) +
    '-' +
    process.env.BUILD_DATE.substring(6, 8)
  : new Date().toLocaleDateString()

const securityHeaders = [
  {
    key: 'X-Frame-Options',
    value: 'DENY',
  },
  {
    key: 'Content-Security-Policy',
    value:
      "default-src 'self'; base-uri 'self'; frame-ancestors 'self'; form-action 'self'; object-src 'none'; script-src-elem 'self'; script-src 'self' 'unsafe-eval'; connect-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https:",
  },
  {
    key: 'X-Content-Type-Options',
    value: 'nosniff',
  },
  {
    key: 'Permissions-Policy',
    value: 'camera=(); battery=(); geolocation=(); microphone=()',
  },
  {
    key: 'Referrer-Policy',
    value: 'origin-when-cross-origin',
  },
]

/** @type {import('next').NextConfig} */
module.exports = {
  env: {
    NEXT_PUBLIC_BUILD_DATE: builddate,
    LOGGING_LEVEL: process.env.LOGGING_LEVEL,
  },
  experimental: {
    instrumentationHook: true,
  },
  output: 'standalone',
  productionBrowserSourceMaps: true,
  reactStrictMode: true,
  i18n,
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: securityHeaders,
      },
    ]
  },
}