docs(gremlin): create web

Netgrimoire/Services/web/web.md

@@ -0,0 +1,110 @@
+# web Stack
+
+description: PHP/Apache web server with Caddy reverse proxy for NetGrimoire
+
+---
+
+## Overview
+The `web` stack is a Docker Swarm configuration that deploys a PHP/Apache web server, utilizing Caddy as a reverse proxy. It consists of a single service running on `docker4`, connected to the `netgrimoire` network. This setup provides a stable and scalable environment for hosting web applications.
+
+---
+
+## Architecture
+| Service | Image | Port | Role |
+|---------|-------|------|------|
+- **Host:** docker4
+- **Network:** netgrimoire
+- **Exposed via:** `www.netgrimoire.com`
+- **Homepage group:** homepage
+
+---
+
+## Build & Configuration
+
+### Prerequisites
+ PHP 8.2-apache image, Docker Swarm manager and worker nodes.
+
+### Volume Setup
+```bash
+mkdir -p /DockerVol/web pages
+chown web.web:/var/www/html
+```
+
+### Environment Variables
+```bash
+# generate: openssl rand -hex 32
+PUID=1964
+PGID=1964
+TZ=America/Chicago
+CADDY_URL=www.netgrimoire.com
+CADDY_DOMAINS="www.netgrimoire.com"
+```
+
+### Deploy
+```bash
+cd services/swarm/stack/web
+set -a && source .env && set +a
+docker stack config --compose-file web-stack.yml > resolved.yml
+docker stack deploy --compose-file resolved.yml web
+rm resolved.yml
+docker stack services web
+```
+
+### First Run
+Perform initial setup, including Caddy configuration and PHP application installation.
+
+---
+
+## User Guide
+
+### Accessing web
+| Service | URL | Purpose |
+|---------|-----|---------|
+- **web** | http://web:80 | Serve PHP applications using Apache
+
+### Primary Use Cases
+Access the `www.netgrimoire.com` website to view NetGrimoire's web application.
+
+### NetGrimoire Integrations
+Connects to Uptime Kuma, Caddy, and Diun services via environment variables and labels.
+
+---
+
+## Operations
+
+### Monitoring
+```bash
+docker stack services web
+docker service logs -f web
+```
+
+### Backups
+Critical `DockerVol/web/pages` volume requires regular backup to ensure data integrity. Reconstructible `DockerVol/web/apache` volume can be restored using the Caddy configuration.
+
+### Restore
+```bash
+cd services/swarm/stack/web
+./deploy.sh
+```
+
+---
+
+## Common Failures
+1. Service not starting due to failed Caddy startup: Check Caddy logs and adjust configuration as necessary.
+2. PHP application crashes: Inspect Apache logs, restart the service if necessary, and ensure proper PHP configuration.
+3. Network issues with Docker Swarm services: Check network connectivity, verify container configurations, and attempt restarting affected containers.
+
+---
+
+## Changelog
+
+| Date | Commit | Summary |
+|------|--------|---------|
+| 2026-05-07 | 5389c84f | Initial documentation creation |
+| 2026-05-01 | c3b0c0f5 | Minor configuration updates and bug fixes |
+| 2026-02-24 | bffd459a | Caddy reverse proxy integration improvements |
+| 2026-02-12 | 0d192da2 | PHP/ Apache stack initial setup with environment variables |
+| 2026-01-22 | 76e190d2 | Docker Swarm manager and worker node compatibility updates |
+
+<Generated by Gremlin on 2026-05-07T21:43:51.732Z>
+<Source: swarm/web.yaml>