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fix(frontend): use configurable backend URL in Next.js rewrite

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The rewrite was using 'http://backend:8000' which only resolves inside
Docker network. When running Next.js locally (npm run dev), the hostname
'backend' doesn't exist, causing ENOTFOUND errors.

Now uses NEXT_PUBLIC_API_BASE_URL env var with fallback to localhost:8000
for local development. In Docker, set NEXT_PUBLIC_API_BASE_URL=http://backend:8000.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Felipe Cardoso
2026-01-06 09:22:44 +01:00
parent 5d646779c9
commit efbe91ce14
1 changed files with 4 additions and 2 deletions
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6
frontend/next.config.ts
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@@ -74,12 +74,14 @@ const nextConfig: NextConfig = {
]; ];
}, },
// Ensure we can connect to the backend in Docker // Proxy API requests to backend
// Use NEXT_PUBLIC_API_BASE_URL for the destination (defaults to localhost for local dev)
async rewrites() { async rewrites() {
const backendUrl = process.env.NEXT_PUBLIC_API_BASE_URL || 'http://localhost:8000';
return [ return [
{ {
source: '/api/:path*', source: '/api/:path*',
destination: 'http://backend:8000/api/:path*', destination: `${backendUrl}/api/:path*`,
}, },
]; ];
}, },