user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    worker_connections 1024;
    multi_accept on;
}

http {
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    server_tokens off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log warn;

    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_min_length 256;
    gzip_types
        text/plain
        text/css
        application/json
        application/javascript
        text/xml
        application/xml
        application/xml+rss
        text/javascript
        image/svg+xml;

    server {
        listen 80;
        listen 443 ssl;
        server_name {{ansible_host}};

        ssl_certificate     /etc/cockpit/ws-certs.d/0-self-signed.cert;
        ssl_certificate_key /etc/cockpit/ws-certs.d/0-self-signed.key;

        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_ciphers HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers off;
        ssl_session_cache shared:SSL:10m;
        ssl_session_timeout 1d;
        ssl_session_tickets off;

        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-XSS-Protection "1; mode=block" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
        add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;

        location / {
            proxy_pass http://127.0.0.1:9090/;

            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_http_version 1.1;
            proxy_buffering off;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

            gzip off;
        }

        access_log /var/log/nginx/cockpit-access.log;
        error_log /var/log/nginx/cockpit-error.log warn;
    }
}