# Configuration Nginx Reverse Proxy - Module 4NK_node

events {
    worker_connections 1024;
}

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

    # Logs centralisés
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    # DNS Docker interne
    resolver 127.0.0.11 ipv6=off valid=30s;

    # HTTP server only (no TLS)
    server {
        listen 80;
        server_name _;

        # IHM Client statique sur /secure_id
        location /secure_id/ {
            alias /usr/share/nginx/html/secure_id/;
            try_files $uri $uri/ /secure_id/index.html;
            add_header Cache-Control "no-store";
        }

        # (pas d'API HTTP pour les relays)

        # SDK Relay 1 WebSocket
        location /ws/relay1/ {
            proxy_pass http://4nk-sdk-relay1:8090/;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            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 $scheme;
        }

        # SDK Storage: route vers /health OK (200); racine renvoie 404
        set $storage http://4nk-sdk-storage:8081/health;
        location /api/storage/ {
            proxy_pass $storage;
            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 $scheme;
        }

        # (pas d'API HTTP pour le signer)

        # SDK Signer WebSocket
        set $signer_ws http://4nk-sdk-signer:9090;
        location /ws/signer/ {
            proxy_pass $signer_ws/;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            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 $scheme;
        }

        # Health check endpoint
        location /health {
            access_log off;
            return 200 "healthy\n";
            add_header Content-Type text/plain;
        }
    }
}