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xamxam/nginx/docs/PRODUCTION_DEPLOYMENT.md
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Pontoporeia 0e009c49d4 docs: align deployment/setup docs with current code
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- nginx/docs/QUICK_REFERENCE.md: replace htpasswd user management with AdminAuth
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- README.md: replace the incomplete manual first-time setup snippet with the
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Markdown

# Production Deployment Guide
Deploying the XAMXAM production nginx configuration and administering the site.
## Overview
- **Host**: `xamxam` (SSH alias), app root `/var/www/xamxam/`
- **PHP Version**: 8.4
- **SSL/TLS**: Terminated by an upstream reverse proxy (nginx itself listens on 80)
- **Document Root**: `/var/www/xamxam/public/` (deployed flat, not under `app/`)
- **Web / FPM user**: `www-data`, app group: `xamxam`
## Quick deployment (recommended)
Everything is orchestrated from your local machine through the justfile. `just deploy-nginx`
uploads both `nginx/xamxam.conf` and `scripts/deploy-server.sh` to the server, runs the
latter as root (installing the config, fixing permissions, testing and reloading nginx and
php-fpm), then cleans up the remote temp files:
```bash
just deploy-nginx
```
No manual server-side step is needed — the recipe already does it. For a full
code + dependencies + migrations deploy, run `just deploy` (which includes
`deploy-nginx`). See [`../../docs/deployment.md`](../../docs/deployment.md).
What `scripts/deploy-server.sh` does (as root):
- Fixes ownership to `www-data:xamxam` across `/var/www/xamxam/`
- Sets directory permissions to **2775** (setgid) and files to **664**
- Locks SQLite databases (and WAL/SHM sidecars) to **660**; `.env` to **640**
- Creates writable cache / upload-tmp / `var/{cache,logs,tmp}` dirs for php-fpm
- Provisions `/var/log/xamxam/` (app log dir) and `/var/backups/xamxam/` (backups)
- Installs a php-fpm session-GC tuning file (`zz-xamxam-session.ini`)
- Installs `nginx/xamxam.conf` into `sites-available`, symlinks it, backs up old
uploads, prunes old backups, validates with `nginx -t`, and reloads nginx + php-fpm
## Admin authentication
The admin panel is protected by the application's **PHP session auth layer**
(`src/AdminAuth.php`), **not** by nginx `htpasswd`/Basic-auth. The user supplies a
single password on `/admin/login.php`; no username, no `/etc/nginx/.htpasswd`.
Configure the admin password in the admin panel at `/admin/parametres` → Account
tab (a fresh DB starts unauthenticated until a password is set). See
[`PHP_AUTH_LAYER.md`](PHP_AUTH_LAYER.md) for the full authentication details.
## Verification
After a successful deploy:
```bash
curl -I https://xamxam.erg.be/ # expect 200
curl -I https://xamxam.erg.be/admin/ # expect 200 (login page / 302 to it)
curl -I https://xamxam.erg.be/storage/xamxam.db # expect 404 / 403 (blocked)
curl -I https://xamxam.erg.be/src/Database.php # expect 404 / 403 (blocked)
just deploy-verify-permissions # expect "All permissions OK"
```
Security headers (`X-Frame-Options`, `X-Content-Type-Options`,
`Strict-Transport-Security`, `Referrer-Policy`, `Permissions-Policy`,
`Content-Security-Policy`) are emitted by the nginx config; see
[`SECURITY_HEADERS.md`](SECURITY_HEADERS.md).
## Troubleshooting
### 502 Bad Gateway
```bash
sudo systemctl status php8.4-fpm
sudo systemctl restart php8.4-fpm
```
### Nginx config error
```bash
ssh xamxam
sudo nginx -t
```
### Still getting 403 Forbidden
Check ownership/group and that `www-data` is a member of the `xamxam` group:
```bash
ls -la /var/www/xamxam/public/index.php
groups www-data # should include xamxam
```
If permissions are wrong, re-run the permission-fixing deploy script:
```bash
just deploy-nginx # re-applies deploy-server.sh (perms + config)
```
## See also
- [`QUICK_REFERENCE.md`](QUICK_REFERENCE.md) — command reference
- [`PHP_AUTH_LAYER.md`](PHP_AUTH_LAYER.md) — admin authentication
- [`SECURITY_HEADERS.md`](SECURITY_HEADERS.md) — security headers
- [`../../docs/deployment.md`](../../docs/deployment.md) — full deployment, backups, rollback