NS_ERROR_REDIRECT_LOOP with caddy and nginx in docker container

I am strugling with my Configuration for a while now and i always get the Redirect Loop error in Browser. I am running Caddy in docker and an Angular Application with the nginx image also in Docker. When i am calling my URL in the Browser i get the to many redirects error, i am getting redirected from https to http and back to https until i get the NS_ERROR_REDIRECT_LOOP.

What am i doing wrong?

Caddyfile:

hotel.luluflu.com {
reverse_proxy hotel-client:80
}


nginx.conf:

events {
worker_connections 1024;
}
http {
include /etc/nginx/mime.types;
server {
client_max_body_size 128M;
listen 80 default_server;
server_name ${HOTEL_CLIENT_NAME}
listen [::]:80 default_server;
root /usr/share/nginx/html;
location /api {
proxy_pass ${HOTEL_CLIENT_SERVER_URL};
}
location / {
try_files $uri $uri/ /index.html;
}

}
}


Setup:

• caddy version 2.7
• Nginx Version: 1.27.3

Browser log:

I hope anybody can help, btw, i can ping the client container from caddy container.

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