server {
    listen 80;
    server_name grafana.{{ domain }};
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }
    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl http2;
    server_name grafana.{{ domain }};

    ssl_certificate /etc/letsencrypt/live/grafana.{{ domain }}/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/grafana.{{ domain }}/privkey.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
    ssl_prefer_server_ciphers on;

    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_session_tickets off;

    ssl_stapling on;
    ssl_stapling_verify on;

    add_header X-Frame-Options SAMEORIGIN;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
    add_header Strict-Transport-Security "max-age=15768000";
    add_header Referrer-Policy "same-origin";
    fastcgi_hide_header X-Powered-By;
    server_tokens off;

    client_max_body_size 100M;

    # No compression for json to avoid BREACH attack.
    gzip on;
    gzip_types text/plain text/xml text/css application/xml application/javascript image/svg+xml image/svg;
    gzip_proxied any;
    gzip_vary on;

    location / {
        proxy_pass http://127.0.0.1:3002;
    }

    location /telegraf-input/ {
        proxy_pass http://127.0.0.1:8086/;
    }
}