# upstream goaccess_backend {
#     server goaccess:7890; 
# 
#     # Keep up to 32 idle connections per worker
#     keepalive 16;
# 
#     # Maximum time a connection can be idle
#     keepalive_timeout 60s;
# 
#     # Maximum requests per keepalive connection
#     keepalive_requests 100;
# }

server {
    listen 80;
    listen [::]:80;
    server_name goaccess.novicelab.io;
    
    # ACME challenge for Let's Encrypt certificate renewal
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }
    
    location / {
        return 301 https://$server_name$request_uri;
    }
}

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

# Server block for GoAccess dashboard
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name goaccess.novicelab.io;

    # SSL
    ssl_certificate /etc/letsencrypt/live/novicelab.io/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/novicelab.io/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/novicelab.io/chain.pem;

    # Security Headers
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" 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 Content-Security-Policy "default-src 'self' https: data: 'unsafe-inline' 'unsafe-eval';" always;
    add_header Permissions-Policy        "interest-cohort=()" always;

        # Logging
    access_log /var/log/nginx/goaccess.novicelab.io_access.log json_combined;
    error_log /var/log/nginx/goaccess.novicelab.io_error.log debug;

    set $goaccess_backend goaccess:7890; 

    root /usr/share/nginx/html;
    index report.html;

    location / {
        try_files $uri $uri/ =404;
    }

    location /ws {
        proxy_pass http://$goaccess_backend;
        
        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-Scheme $scheme;
        proxy_set_header X-Forwarded-Proto  $scheme; #https;
        proxy_set_header X-Forwarded-Host   $http_host;
        proxy_set_header X-Forwarded-Port   $server_port;
		
		#enable ws upgrade
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "Upgrade";
	}
}