server/configs/nginx-prod.conf

proxy_cache_path  /var/cache/nginx levels=1:2 keys_zone=STATIC:10m inactive=24h max_size=1g;
proxy_connect_timeout 1s;

server_tokens off;

server {
        listen 80 default;

        rewrite ^ https://$host$request_uri permanent;
}

server {
        listen 443 default ssl http2;

	ssl_protocols TLSv1.2 TLSv1.3;
	ssl_dhparam /etc/nginx/ssl/dhparams-4096.pem;
	ssl_prefer_server_ciphers on;

        ssl_certificate /etc/nginx/ssl/fullchain.pem;
        ssl_certificate_key /etc/nginx/ssl/privkey.pem;

	ssl_client_certificate /srv/PKI/shared/ca.pem;
	ssl_trusted_certificate /srv/PKI/shared/ca.pem;
	ssl_verify_client optional;

        root /srv/htdocs-frontend/;

        error_page 401 /welcome.html;
        error_page 403 404 /e404.html;
        error_page 413 /e413.html;
        error_page 500 502 504 /e500.html;

        add_header Strict-Transport-Security max-age=31536000;
        add_header X-Frame-Options deny;
	add_header Content-Security-Policy "script-src 'unsafe-inline' 'self' 'unsafe-eval'; img-src 'self' data:; style-src 'unsafe-inline' 'self'; font-src 'self'; default-src 'self'";
	add_header X-Xss-Protection "1; mode=block";
	add_header X-Content-Type-Options nosniff;
	add_header Referrer-Policy strict-origin;
	add_header Feature-Policy "accelerometer 'none'; ambient-light-sensor 'none'; autoplay 'none'; battery 'none'; camera 'none'; display-capture 'none'; document-domain 'none'; encrypted-media 'none'; fullscreen 'none'; geolocation 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; midi 'none'; payment 'none'; picture-in-picture 'none'; speaker 'none'; sync-xhr 'none'; usb 'none'; vr 'none'; wake-lock 'none'; xr-spatial-tracking 'none'";

        location = / {
            include fic-auth.conf;
        }
        location = /index.html {
            include fic-auth.conf;
        }
	location = /welcome.html {
	    internal;
	    if ($http_accept ~ "^application/json") {
	        rewrite ^/(.*).html$ /$1.json;
	    }
        }
	location = /e404.html {
	    internal;
	    if ($http_accept ~ "^application/json") {
	        rewrite ^/(.*).html$ /$1.json;
	    }
        }
	location = /e413.html {
	    internal;
	    if ($http_accept ~ "^application/json") {
	        rewrite ^/(.*).html$ /$1.json;
	    }
        }
	location = /e500.html {
	    internal;
	    if ($http_accept ~ "^application/json") {
	        rewrite ^/(.*).html$ /$1.json;
	    }
        }

        location ~ ^/[A-Z] {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }

        location /edit {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }
        location /issues {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }
        location /rank {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }
        location /tags/ {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }
        location /register {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }
        location /rules {
            include fic-auth.conf;

            rewrite ^/.*$ /index.html;
        }

        location /files/ {
            alias /srv/FILES/;
	    sendfile    on;
            tcp_nodelay on;
        }

        location /wait.json {
            include fic-auth.conf;

            root /srv/TEAMS/$team/;
            expires epoch;
            add_header Cache-Control no-cache;
        }
        location /stats.json {
             root /srv/TEAMS/;
             expires epoch;
             add_header Cache-Control no-cache;
        }
        location /my.json {
            include fic-auth.conf;

            root /srv/TEAMS/$team/;
            expires epoch;
            add_header Cache-Control no-cache;

            if (!-f /srv/startingblock/started) {
                rewrite ^/.* /wait.json;
            }
        }
        location /issues.json {
            include fic-auth.conf;

            root /srv/TEAMS/$team/;
            expires epoch;
            add_header Cache-Control no-cache;
        }
        location = /events.json {
            root /srv/TEAMS/;
            expires epoch;
            add_header Cache-Control no-cache;
        }
        location = /teams.json {
            root /srv/TEAMS/;
            expires epoch;
            add_header Cache-Control no-cache;
        }
        location = /themes.json {
            root /srv/TEAMS/;
            expires epoch;
            add_header Cache-Control no-cache;
        }
        location = /settings.json {
            root /srv/SETTINGSDIST/;
            expires epoch;
	    add_header X-FIC-time $msec;
            add_header Cache-Control no-cache;
        }

        location /submit/ {
            include fic-auth.conf;

            proxy_pass        http://frontend:8080/submission/;
            proxy_set_header  X-Forwarded-For  $remote_addr;
	    proxy_set_header  X-FIC-Team       $team;
            proxy_redirect    off;
        }
        location /issue {
            include fic-auth.conf;

            proxy_pass        http://frontend:8080;
            proxy_set_header  X-Forwarded-For  $remote_addr;
	    proxy_set_header  X-FIC-Team       $team;
            proxy_redirect    off;
        }
        location /chname {
            include fic-auth.conf;

            proxy_pass        http://frontend:8080;
            proxy_set_header  X-Forwarded-For  $remote_addr;
	    proxy_set_header  X-FIC-Team       $team;
            proxy_redirect    off;
        }
        location /registration {
            include fic-auth.conf;

            proxy_pass        http://frontend:8080;
            proxy_set_header  X-Forwarded-For  $remote_addr;
	    proxy_set_header  X-FIC-Team       $team;
            proxy_redirect    off;
        }
	location /openhint/ {
	    include    fic-auth.conf;

	    proxy_pass        http://frontend:8080;
	    proxy_set_header  X-Forwarded-For  $remote_addr;
	    proxy_set_header  X-FIC-Team       $team;
	    proxy_redirect    off;
	}
	location /wantchoices/ {
	    include    fic-auth.conf;

	    proxy_pass        http://frontend:8080;
	    proxy_set_header  X-Forwarded-For  $remote_addr;
	    proxy_set_header  X-FIC-Team       $team;
	    proxy_redirect    off;
	}
}