Nginx Configuration with FastCGI Caching enabled

nginx.conf

fastcgi_cache_path /etc/nginx/cache levels=1:2 keys_zone=PHP_CACHE:200m max_size=10g inactive=2h use_temp_path=off;
fastcgi_cache_key "$scheme$request_method$host$request_uri";
fastcgi_ignore_headers Cache-Control Expires Set-Cookie;

upstream backend {
    server php-fpm:9000;
}

server {
    listen 80;
    server_name _;

    return 301 https://$host:8443$request_uri;
}

server {
    listen 443 ssl default_server;
    server_name localhost;

    # openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout certs/key.pem -out certs/cert.pem -subj "CN=localhost"
    # cp certs/cert.pem /etc/pki/ca-trust/source/anchors/ && sudo update-ca-trust
    ssl_certificate /etc/nginx/certs/cert.pem;
    ssl_certificate_key /etc/nginx/certs/key.pem;

    root /var/www/html;
    index index.html index.php;

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

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass backend;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $uri;

        fastcgi_cache PHP_CACHE;
        fastcgi_cache_valid 200 301 302 2h;
        fastcgi_cache_use_stale error;
        
        fastcgi_cache_lock on;
        add_header X-FastCGI-Cache $upstream_cache_status;
    }

    location ~* \.(jpg|jpeg|png|gif|ico|css|js)$ {
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }
}