# ©AngelaMos | 2026
# nginx.prod.conf

worker_processes auto;
worker_rlimit_nofile 65535;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 4096;
    multi_accept on;
    use epoll;
}

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

    upstream backend {
        server backend:5000 max_fails=3 fail_timeout=30s;
        keepalive 32;
        keepalive_requests 1000;
        keepalive_timeout 60s;
    }

    limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r/s;
    limit_req_zone $binary_remote_addr zone=auth_limit:10m rate=3r/s;
    limit_conn_zone $binary_remote_addr zone=conn_limit:10m;
    limit_req_status 429;

    log_format main_timed '$remote_addr - $remote_user [$time_local] '
                          '"$request" $status $body_bytes_sent '
                          '"$http_referer" "$http_user_agent" '
                          'rt=$request_time uct="$upstream_connect_time" '
                          'uht="$upstream_header_time" urt="$upstream_response_time"';

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

    client_body_buffer_size 128k;
    client_header_buffer_size 16k;
    client_max_body_size 10m;
    large_client_header_buffers 4 16k;

    client_body_timeout 12s;
    client_header_timeout 12s;
    send_timeout 10s;

    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_min_length 256;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/json
        application/javascript
        application/xml+rss
        application/atom+xml
        image/svg+xml;
    gzip_disable "msie6";

    include /etc/nginx/conf.d/*.conf;
}