server {
    listen 80;
    server_name ruakb.ru www.ruakb.ru;
    server_tokens off;

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
        try_files $uri =404;
    }

    location / {
        return 308 https://$host$request_uri;
    }
}

server {
    listen 443 ssl;
    http2 on;
    server_name ruakb.ru www.ruakb.ru;
    server_tokens off;

    ssl_certificate /etc/letsencrypt/live/ruakb.ru/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ruakb.ru/privkey.pem;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:10m;
    ssl_session_tickets off;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers off;

    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "DENY" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    location / {
        proxy_pass http://frontend:80;
        proxy_http_version 1.1;
        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;
    }
}

server {
    listen 80 default_server;
    server_name _;
    return 308 https://ruakb.ru$request_uri;
}