html/nginx-config/weval-consulting.conf

# HTTP → HTTPS redirect
server {
    listen 80;
    server_name weval-consulting.com www.weval-consulting.com;
    return 301 https://$server_name$request_uri;
}

# Main HTTPS server
server {
    listen 443 ssl http2;
    server_name weval-consulting.com www.weval-consulting.com;

    ssl_certificate /etc/letsencrypt/live/weval-consulting.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/weval-consulting.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # Security headers
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;


    # === SECURITY: Block .git access (P0 fix 2026-03-03) ===
    location ~ /\.git {
        deny all;
        return 404;
    }

    # === WIDGET: Serve wevia-widget-embed.js (P1 fix 2026-03-03) ===
    location = /wevia-widget-embed.js {
        alias /var/www/weval/wevia-widget-embed.js;
        add_header Cache-Control "public, max-age=3600";
    }

    root /var/www/html;
    index index.html;
    error_page 404 /404.html;
    location = /404.html { internal; }

    # === WEVIA IA (fullscreen chatbot page) ===
    location = /wevia {
        alias /var/www/weval/wevia-ia/wevia.html;
        default_type text/html;
        add_header Cache-Control "no-store, no-cache, must-revalidate, max-age=0";
    }

    # === WEVIA PHP API (via php-fpm - NO MORE APACHE!) ===
    location ~ ^/wevia-ia/.*\.php$ {
        root /var/www/weval;
        fastcgi_pass unix:/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
        fastcgi_read_timeout 120s;
        fastcgi_buffering off;
    }

    # === API ROUTES (proxy to php-fpm via internal location) ===
    location /api/weval-ia-think {
        include fastcgi_params;
        fastcgi_pass unix:/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME /var/www/weval/wevia-ia/weval-think-api.php;
        fastcgi_read_timeout 120s;
        add_header Access-Control-Allow-Origin * always;
        add_header Access-Control-Allow-Headers Content-Type always;
    }

    location /api/weval-ia-full {
        include fastcgi_params;
        fastcgi_pass unix:/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME /var/www/weval/wevia-ia/weval-chatbot-api.php;
        fastcgi_read_timeout 120s;
        fastcgi_buffering off;
        add_header Access-Control-Allow-Origin * always;
        add_header Access-Control-Allow-Headers Content-Type always;
    }

    location /api/weval-ia {
        include fastcgi_params;
        fastcgi_pass unix:/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME /var/www/weval/wevia-ia/weval-chatbot-api.php;
        fastcgi_read_timeout 120s;
        fastcgi_buffering off;
    }

    # === SSE Streaming for Ollama (LOCAL now!) ===
    location = /wevia-ia/wevia-ollama-stream.php {
        root /var/www/weval;
        fastcgi_pass unix:/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME /var/www/weval/wevia-ia/wevia-ollama-stream.php;
        include fastcgi_params;
        fastcgi_buffering off;
        fastcgi_cache off;
        fastcgi_read_timeout 120s;
    }

    # === WEVIA static assets ===
    location ~ ^/wevia-ia/(.+\.(svg|png|jpg|gif|ico|css|woff2|ttf|js|html))$ {
        alias /var/www/weval/wevia-ia/$1;
        add_header Cache-Control "public, max-age=86400";
    }

    # Visual Intelligence artifacts
    location ^~ /wevia-ia/downloads/ {
        alias /var/www/weval/wevia-ia/downloads/;
        types { application/pdf pdf; image/png png; text/html html; }
        add_header Cache-Control "public, max-age=3600";
    }

    # === Node.js backend API ===
    location /api/ {
        proxy_pass http://127.0.0.1:3001;
        proxy_http_version 1.1;
        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;
    }

    # === PRERENDER for SEO bots ===
    set $prerender 0;
    if ($http_user_agent ~* "googlebot|bingbot|yandexbot|baiduspider|facebookexternalhit|twitterbot|linkedinbot|slackbot|GPTBot|Claude-Web|PerplexityBot") {
        set $prerender 1;
    }
    if ($uri ~* "\.(js|css|xml|png|jpg|jpeg|gif|pdf|ico|svg|woff|woff2|ttf)") {
        set $prerender 0;
    }
    if ($uri ~* "^/(api|wevia-ia|wevia-kb|blog)") {
        set $prerender 0;
    }

    # === Static service pages ===
    location = /service/intelligence-artificielle { try_files /service/intelligence-artificielle.html =404; }
    location = /service/cybersecurite { try_files /service/cybersecurite.html =404; }
    location = /service/cloud-sap { try_files /service/cloud-sap.html =404; }
    location = /service/nearshore-it { try_files /service/nearshore-it.html =404; }
    location = /service/e-marketing { try_files /service/e-marketing.html =404; }
    location = /service/formation { try_files /service/formation.html =404; }

    # === Case Studies static page ===
    location = /case-studies { alias /var/www/html/prerender/case-studies/index.html; default_type text/html; }

    # Uploads
    location ^~ /uploads/ {
        alias /var/www/weval/backend/uploads/;
        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
    }

    # === React Router SPA fallback ===
    location / {
        if ($prerender = 1) {
            rewrite ^/$ /prerender/index.html break;
            rewrite ^/(.+)$ /prerender/$1/index.html break;
        }
        try_files $uri $uri/ /index.html;
    }

    # Assets cache
    location ~* \.(js|css|png|jpg|jpeg|gif|svg|ico|woff|woff2|ttf|eot)$ {
        root /var/www/html;
        expires 7d;
        add_header Cache-Control "public, immutable";
    }
}