map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name etherpad.zinomedia.de;

    access_log off;
    error_log /var/log/nginx/error.log error;

    # SSL Certificate Configuration
    ssl_certificate /etc/letsencrypt/live/etherpad.zinomedia.de/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/etherpad.zinomedia.de/privkey.pem;

    include "snippets/ssl-optimizations.conf";

    # Password protect
    auth_basic "Protected";
    auth_basic_user_file /usr/share/nginx/html/etherpad.zinomedia.de/.htpasswd;

    location / {
        resolver 127.0.0.11;
        set $upstream "http://etherpad:9001";
        proxy_pass $upstream;

        proxy_buffering off;
        proxy_set_header Host $host;
        proxy_pass_header Server;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }
}

server {
    listen 80;
    listen [::]:80;
    server_name etherpad.zinomedia.de;
    return 301 https://$host$request_uri;
}