Php-form response headers

[EmilMoe]

1. Caddy version (caddy version):

2

2. How I run Caddy:

Traefik proxy → Caddy → PHP-FPM

a. System environment:

Docker / Ubuntu

b. Command:

c. Service/unit/compose file:

d. My complete Caddyfile or JSON config:

:80
root * {env.WEBROOT}
file_server {
	precompressed zstd br gzip
}
php_fastcgi app:9000
log

3. The problem I’m having:

Using Inertia it must pass x-inertia: true header but it’s not passed through Caddy. Just these:

resp_headers":{"Content-Type":["text/html; charset=UTF-8"],"Server":["Caddy"],"X-Powered-By":["PHP/8.0.6"]}

I found this, maybe I need to approve it?

reverse_proxy (Caddyfile directive) - Caddy Documentation

4. Error messages and/or full log output:

5. What I already tried:

6. Links to relevant resources:

[EmilMoe]

Turned out to be a line break in top of one the files, causing the headers to be sent too early. Damn.

[francislavoie]

@EmilMoe

1. Caddy version (caddy version):

2

Which version exactly? There’s been many v2 versions, and the exact version determines which features or bugs might exist. Please make sure to use the latest, v2.4.3.

@EmilMoe

2. How I run Caddy:

Traefik proxy → Caddy → PHP-FPM

I have to ask - do you really need Traefik in front of Caddy? You can completely replace Traefik with Caddy.

@EmilMoe

3. The problem I’m having:

Using Inertia it must pass x-inertia: true header but it’s not passed through Caddy. Just these:

resp_headers":{"Content-Type":["text/html; charset=UTF-8"],"Server":["Caddy"],"X-Powered-By":["PHP/8.0.6"]}

I found this, maybe I need to approve it?

I happen to use Inertia with Caddy with a Laravel project, and it works perfectly. I’m almost certain the issue is with Traefik, which might not transparently proxy all headers. If your remove it from the pipeline, it should work just fine.

@EmilMoe

Turned out to be a line break in top of one the files, causing the headers to be sent too early. Damn.

Oops, wrote the above before seeing this. What I wrote still stands though.