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Cake day: June 30th, 2023

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  • As @slashzero@hakbox.social said, if you’re using an additional nginx server, your docker nginx can’t listen for port 80 or 443. Here’s my host nginx reverse proxy’s ssl section for reference:

    server {
        server_name kek.henlo.fi;
    
            location / {
    	proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
    
            include proxy_params;
            proxy_pass http://localhost:9001;
        }
    
        listen 443 ssl http2;
        listen [::]:443 ssl http2;
        ssl_certificate /etc/letsencrypt/live/kek.henlo.fi/fullchain.pem; # managed by Certbot
        ssl_certificate_key /etc/letsencrypt/live/kek.henlo.fi/privkey.pem; # managed by Certbot
        include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
    }
    

    Maybe you’re missing some proxy headers, or the docker compose isn’t forwarding the correct ports.

    But it can definitely be something completely different.