# Example nginx config for nip05api.
# Replace example.com with your DOMAIN.

upstream nip05api {
    server 127.0.0.1:8080;
    keepalive 16;
}

# HTTP → HTTPS redirect (assumes certbot or equivalent has terminated TLS).
server {
    listen 80;
    listen [::]:80;
    server_name example.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name example.com;

    ssl_certificate     /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;

    # HSTS — opt in once you're confident HTTPS is permanent.
    # add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "DENY" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    client_max_body_size 1m;

    # NIP-05 well-known endpoint MUST be served on the apex domain.
    location = /.well-known/nostr.json {
        proxy_pass http://nip05api;
        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;
        proxy_http_version 1.1;
        proxy_set_header Connection "";

        add_header Access-Control-Allow-Origin "*" always;
        add_header Cache-Control "public, max-age=60" always;
    }

    location ~ ^/(v1/|healthz|version|openapi.json|docs) {
        proxy_pass http://nip05api;
        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;
        proxy_http_version 1.1;
        proxy_set_header Connection "";
        proxy_read_timeout 30s;
    }
}