server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name karte.freifunk-lippe.de;

    ssl_certificate /etc/ssl/fullchain.pem;
    ssl_certificate_key /etc/ssl/key.pem;

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_prefer_server_ciphers on;
    ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
    ssl_ecdh_curve secp384r1;
    ssl_session_cache shared:SSL:10m;
    ssl_session_tickets off;
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8 8.8.4.4 valid=300s;
    resolver_timeout 5s;
    add_header Strict-Transport-Security "max-age=63072000; includeSubdomains";
    add_header X-Content-Type-Options nosniff;

    ssl_dhparam /etc/ssl/certs/dhparam.pem;

    root /var/www/html;

    location / {

        # redirect into directory to get correct docroot
        rewrite "^/map([0-9]{2})$" /map$1/ permanent;
        rewrite "^/map_([^/]+)$" /map$1/ permanent;

        # rewrite config.json to special path
        rewrite "^/map([0-9]{2})/config.json$" /map/config/config_$1.json break;
        rewrite "^/map_([^/]+)/config.json$" /map/config/config_$1.json break;

        # rewrite all other
        rewrite "^/map[0-9]{2}/(.*)$" /map/$1 break;
        rewrite "^/map_[^/]+/(.*)$" /map/$1 break;

        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
        try_files $uri $uri/ =404;

        # enable gzip compression
        gzip                    on;
        gzip_http_version       1.0;
        gzip_vary               on;
        gzip_comp_level         2;
        gzip_proxied            any;
        gzip_types              text/plain text/css text/javascript application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss;
    }

    # Proxy for mapdata
    location /data/ {

        # mapdata foreach domain, because hopglass can't handle args in uri)
        rewrite "^/data/map_([^/]+)/(.+)$" /$2?filter=site&value=$1 break;

        proxy_set_header        Host $host;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header        X-Forwarded-Proto $scheme;

        proxy_pass              http://127.0.0.1:4000/;
        proxy_redirect          off;

        proxy_cache             hopglass;
        proxy_cache_valid       2m;

        # enable gzip compression
        gzip                    on;
        gzip_http_version       1.0;
        gzip_vary               on;
        gzip_comp_level         4;
        gzip_proxied            any;
        gzip_types              text/plain text/css text/javascript application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss;
    }
}