next.config.mjs

/** @type {import('next').NextConfig} */
const isProduction = process.env.NEXT_PUBLIC_DEPLOYMENT === 'PRODUCTION';
const isGithubActions = process.env.GITHUB_ACTIONS === 'true';
const isDevelopment = process.env.NEXT_PUBLIC_DEPLOYMENT === 'DEVELOPMENT';

// Default values
let assetPrefix = '';
let basePath = '';
let apiBaseUrl = 'http://127.0.0.1:8000';

if (isProduction || isGithubActions) {
  const repo = process.env.GITHUB_REPOSITORY ?.replace(/.*?\//, '') || process.env.NEXT_PUBLIC_REPO_NAME;

  assetPrefix = `/${repo}`;
  basePath = `/${repo}`;
  apiBaseUrl = 'https://txrpdb-backend-dev.azurewebsites.net';
}
if (isDevelopment) {
  apiBaseUrl = 'https://txrpdb-backend-dev.azurewebsites.net';
}

const nextConfig = {
  reactStrictMode: true,
  // Only use static export in production/GitHub Actions - API routes need server mode
  ...(isProduction || isGithubActions ? { output: 'export' } : {}),
  images: {
    unoptimized: true,
  },
  basePath: basePath,
  assetPrefix: assetPrefix,
  trailingSlash: true,
  env: {
    API_BASE_URL: apiBaseUrl,
    BASE_PATH: basePath,
  },
  // Enable Turbopack (Next.js 16 default). Remove custom webpack config for dev compatibility.
  turbopack: {},

  async headers() {
    return [{
      source: '/(.*)',
      headers: [{
        key: 'Access-Control-Allow-Origin',
        value: '*',
      }, ],
    }, ];
  },
  async redirects() {
    return [{
      source: '/home',
      destination: '/',
      permanent: true,
    }, ];
  },
};

export default nextConfig;