# HTTP → HTTPS redirect + ACME challenge
server {
    listen 80;
    listen [::]:80;
    server_name ${DOMAIN};

    # Let's Encrypt webroot challenge
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

# HTTPS — main entry point
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name ${DOMAIN};

    # ── TLS ───────────────────────────────────────────────────────────────────
    ssl_certificate     /etc/letsencrypt/live/${DOMAIN}/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/${DOMAIN}/privkey.pem;
    include             /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam         /etc/letsencrypt/ssl-dhparams.pem;

    # ── Security headers ──────────────────────────────────────────────────────
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains" always;
    add_header X-Frame-Options            SAMEORIGIN                            always;
    add_header X-Content-Type-Options     nosniff                               always;
    add_header Referrer-Policy            strict-origin-when-cross-origin       always;

    # ── Geo-block check ───────────────────────────────────────────────────────
    # The watcher renders a location block per repo that checks the per-repo
    # variable and returns the configured status + body when blocked.
    include /etc/nginx/geoblock/repo_locations.conf;

    # ── Proxy to Forgejo ──────────────────────────────────────────────────────
    location / {
        proxy_pass         http://forgejo:3000;
        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;

        # Git push/pull can involve large objects
        client_max_body_size 512m;
        proxy_request_buffering off;
        proxy_buffering         off;
        proxy_read_timeout      600s;
        proxy_send_timeout      600s;
    }
}