events {
    worker_connections 1024;
}

http {
    client_body_temp_path /etc/nginx/data/temp;
    proxy_temp_path /etc/nginx/data/temp;
    fastcgi_temp_path /etc/nginx/data/temp;
    uwsgi_temp_path /etc/nginx/data/temp;
    scgi_temp_path /etc/nginx/data/temp;

    proxy_cache_path /etc/nginx/data/cache levels=1:2 keys_zone=api_cache:10m max_size=1g inactive=365d;

    error_log /dev/stdout debug;
    access_log /dev/stdout;

    # Use Docker's internal DNS
    resolver 127.0.0.11 valid=10s;

    server {
        listen 3001;

        location / {
            if ($arg_url = "") {
                return 400 "Missing url parameter";
            }

            proxy_pass $arg_url;
            proxy_http_version 1.1;
            proxy_set_header Host $proxy_host;
            proxy_ssl_server_name on;

            proxy_cache api_cache;
            proxy_cache_valid 200 365d;
            proxy_cache_bypass $http_x_cache_inverse;
            proxy_no_cache $http_x_cache_inverse;

            set $http_x_cache_inverse 1;
            if ($http_x_cache) {
                set $http_x_cache_inverse 0;
            }
            add_header X-Cache-Status $upstream_cache_status always;
        }
    }
}