worker_processes auto;

events {
    worker_connections 1024;
}

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

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

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

    sendfile        on;
    keepalive_timeout  65;

    # DNS interne (dnsmasq sur la passerelle Docker de 4nk_network)
    resolver 172.20.0.1 valid=10s ipv6=off;

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

    # Mapping hôte -> port applicatif
    map $host $upstream_port {
      default 80;
      ihm-client.local           80;
      coffre-front.local         3000;
      coffre-back-mini.local     8080;
      blindbit-oracle.local      8000;
      sdk-storage.local          8080;
      sdk-relay1.local           8090;
      sdk-relay2.local           8090;
      sdk-relay3.local           8090;
      sdk-signer.local           9090;
      grafana-central.local      3000;
      loki.local                 3100;
      prometheus.local           9091;
      4nk-ia-front.local         3000;
    }

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    server {
        listen 443 ssl;
        server_name  *.local;

        ssl_certificate     /etc/nginx/certs/local.crt;
        ssl_certificate_key /etc/nginx/certs/local.key;

        add_header X-Content-Type-Options nosniff;
        add_header X-Frame-Options SAMEORIGIN;
        add_header X-XSS-Protection "1; mode=block";

        location / {
            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 https;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_read_timeout 300s;
            proxy_send_timeout 300s;
            proxy_pass http://$host:$upstream_port$request_uri;
        }
    }
}