# Redirect HTTP to HTTPS
server {
    listen 80;
    listen [::]:80;
    server_name itformhelp.ru www.itformhelp.ru;
    
    # Allow certbot auth challenge
    location /.well-known/acme-challenge/ {
        root /var/www/html;
    }

    # Redirect all other traffic to HTTPS
    location / {
        return 301 https://$host$request_uri;
    }
}

# HTTPS server
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name itformhelp.ru www.itformhelp.ru;

    # SSL configuration
    ssl_certificate /etc/letsencrypt/live/itformhelp.ru/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/itformhelp.ru/privkey.pem;
    
    root /usr/share/nginx/html;
    index index.html;

    # Frontend
    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }

    # Backend API
    location /api/ {
        proxy_pass http://backend:8000;
        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;
    }
}