White page trying to proxy Apache Guacamole

1. Caddy version (caddy version):

2.3.0

2. How I run Caddy:

docker-compose up -d

version: “3.7”

services:
caddy:
container_name: caddy
image: caddy:2-alpine
restart: unless-stopped
ports:
- “80:80”
- “443:443”
volumes:
- /home/dnaumov/docker/caddy/Caddyfile:/etc/caddy/Caddyfile
- caddy-data:/data
- caddy-config:/config

volumes:
caddy-data:
caddy-config:

My complete Caddyfile or JSON config:

my.domain.name {
reverse_proxy / http://192.168.1.60:8081 {
flush_interval -1
}
}

3. The problem I’m having:

Getting a white page (with a valid certificate) on my.domain.name/guacamole
Going to http://192.168.1.60:8081/guacamole/ directly works as expected.
Tried a minimal configuration with no flush_interval, but same problem.

You’re proxying only the path /, which is probably not what you want. Remove that token.

Fantastic, that solved it. Thank you.

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