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Sebastian Krüger fcac39a5ae feat: AR

2025-10-08 17:56:29 +02:00

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<EFBFBD> Chat Stack - Your Personal Notification HQ	Ding! You've got... pretty much everything

💬 Chat Stack - Your Personal Notification HQ

"Ding! You've got... pretty much everything" - Gotify

What's This All About?

Gotify is your self-hosted push notification server! Think of it as your personal notification center that's NOT controlled by Google or Apple. Get alerts from your scripts, servers, and automation tools - all in one place, all under your control!

The Notification Ninja

🔔 Gotify Server

Container: chat_app
Image: gotify/server:latest
Home: https://chat.pivoine.art

Gotify is the Swiss Army knife of push notifications:

📱 Mobile Apps: iOS and Android clients available
🌐 Web Interface: Check notifications in your browser
🔌 REST API: Send notifications from anything
🔒 App Tokens: Separate tokens for different applications
📊 Priority Levels: From "meh" to "WAKE UP NOW!"
🎨 Markdown Support: Rich formatted messages
📦 Simple: Written in Go, single binary, no fuss

How It Works

Your Script/Server
    ↓
HTTP POST Request
    ↓
Gotify Server
    ↓
Push to Mobile Apps + Web Interface

Configuration Breakdown

Data Persistence

Everything lives in a Docker volume:

Volume: gotify_data
Path: /app/data

This stores:

🗄️ SQLite database (users, apps, messages)
🖼️ Application images
⚙️ Server configuration

No Exposed Port

All access goes through Traefik at https://chat.pivoine.art - clean and secure!

First Time Setup 🚀

Start the stack:
```
docker compose up -d
```

Access the web UI:

URL: https://chat.pivoine.art
Default Username: admin
Default Password: admin

IMMEDIATELY change the password:
- Click on your username
- Go to Settings
- Change that password right now! 🔒
Create an application:
- Apps → New Application
- Name it (e.g., "Server Alerts")
- Copy the token (you'll need this!)

Sending Your First Notification

Using curl

curl -X POST "https://chat.pivoine.art/message" \
  -H "X-Gotify-Key: YOUR_APP_TOKEN" \
  -F "title=Hello World" \
  -F "message=Your first notification!" \
  -F "priority=5"

Using Python

import requests

def send_notification(title, message, priority=5):
    url = "https://chat.pivoine.art/message"
    headers = {"X-Gotify-Key": "YOUR_APP_TOKEN"}
    data = {
        "title": title,
        "message": message,
        "priority": priority
    }
    requests.post(url, headers=headers, data=data)

send_notification("Deploy Complete", "Your app is live! 🚀")

Using Bash Script

#!/bin/bash
GOTIFY_URL="https://chat.pivoine.art/message"
GOTIFY_TOKEN="YOUR_APP_TOKEN"

notify() {
    curl -X POST "$GOTIFY_URL" \
        -H "X-Gotify-Key: $GOTIFY_TOKEN" \
        -F "title=$1" \
        -F "message=$2" \
        -F "priority=${3:-5}"
}

# Usage
notify "Backup Complete" "All files backed up successfully" 8

Priority Levels 🎯

Priority	Use Case	Example
0	Very low	Background info
2	Low	FYI messages
5	Normal	Standard notifications
8	High	Important updates
10	Emergency	WAKE UP! SERVER IS ON FIRE! 🔥

Real-World Use Cases

Server Monitoring

# Disk space alert
if [ $(df -h / | tail -1 | awk '{print $5}' | sed 's/%//') -gt 80 ]; then
    notify "Disk Space Alert" "Root partition is 80% full!" 9
fi

Backup Notifications

# At end of backup script
if backup_successful; then
    notify "Backup Complete" "Database backup finished successfully" 5
else
    notify "Backup Failed" "Database backup encountered errors!" 10
fi

CI/CD Pipeline

# .gitlab-ci.yml
deploy:
  script:
    - deploy.sh
  after_script:
    - |
      curl -X POST "$GOTIFY_URL/message" \
        -H "X-Gotify-Key: $GOTIFY_TOKEN" \
        -F "title=Deploy $CI_COMMIT_REF_NAME" \
        -F "message=Pipeline $CI_PIPELINE_ID completed"

Docker Container Alerts

# Check if container is running
if ! docker ps | grep -q my_important_container; then
    notify "Container Down" "my_important_container is not running!" 10
fi

Website Uptime Monitoring

# Simple uptime check
if ! curl -f https://mysite.com &> /dev/null; then
    notify "Site Down" "mysite.com is not responding!" 10
fi

Mobile Apps 📱

Android

Download from:

F-Droid (recommended)
Google Play Store
GitHub Releases

iOS

Available on App Store
Or build from source (TestFlight)

Setup:

Install app
Add server: https://chat.pivoine.art
Enter your client token
Receive notifications!

Web Interface Features

📱 Desktop notifications (browser permission needed)
🔍 Search through message history
🗑️ Delete individual or all messages
👥 Manage applications and clients
⚙️ Configure server settings
📊 View message statistics

Security Best Practices 🔒

Change Default Credentials: First thing, every time
Use App Tokens: Different token for each application/script
Revoke Unused Tokens: Clean up old integrations
HTTPS Only: Already configured via Traefik ✅
Client Tokens: Create separate tokens for each device
Rate Limiting: Gotify has built-in protection

Advanced: Markdown Messages

Gotify supports Markdown formatting:

curl -X POST "https://chat.pivoine.art/message" \
  -H "X-Gotify-Key: YOUR_TOKEN" \
  -F "title=Deployment Report" \
  -F "message=## Deploy Status
  
- ✅ Database migration
- ✅ Frontend build  
- ✅ Backend restart
- ⚠️  Cache warmup (slower than expected)

**Next**: Monitor performance metrics" \
  -F "priority=5"

Maintenance Tasks

View Logs

docker logs chat_app -f

Backup Database

docker exec chat_app cp /app/data/gotify.db /app/data/gotify-backup.db
docker cp chat_app:/app/data/gotify-backup.db ./backup/

Check Storage

docker exec chat_app du -sh /app/data

Clean Old Messages

Use the web UI to delete old messages, or configure auto-deletion in settings

Troubleshooting

Q: Not receiving notifications on mobile?
A: Check if app has notification permissions and server URL is correct

Q: "Unauthorized" error when sending?
A: Verify your app token is correct and not a client token

Q: Web UI won't load?
A: Check Traefik is running and DNS points to your server

Q: Messages not persisting?
A: Ensure volume is properly mounted and has write permissions

Integration Examples

Home Assistant

notify:
  - platform: rest
    name: gotify
    resource: https://chat.pivoine.art/message
    method: POST
    headers:
      X-Gotify-Key: YOUR_TOKEN
    message_param_name: message
    title_param_name: title

Prometheus Alertmanager

receivers:
  - name: 'gotify'
    webhook_configs:
      - url: 'https://chat.pivoine.art/message?token=YOUR_TOKEN'

Node-RED

Use HTTP request node:

Method: POST
URL: https://chat.pivoine.art/message
Headers: X-Gotify-Key: YOUR_TOKEN
Body: JSON with title, message, priority

Why Gotify Rocks 🎸

✨ Self-hosted (your data, your server)
🆓 Completely free and open source
🚀 Super lightweight (Go binary + SQLite)
📱 Native mobile apps
🔌 Dead simple API
🎨 Clean, modern interface
🔒 No third-party dependencies
💪 Active development

Resources

"The only notifications worth getting are the ones you control." - Someone who's tired of their phone buzzing 📵✨

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