louislam/uptime-kuma - Detailed Review#

1. Overview & GitHub Stats#

• URL: https://github.com/louislam/uptime-kuma
• Stars: 73635

2. Project Description#

Uptime Kuma is an elegant, self-hosted monitoring tool designed to track the uptime and performance of your websites, applications, and services. With its modern web interface and comprehensive feature set, it provides real-time monitoring, alerting, and status pages without the need for expensive commercial subscriptions. Built with simplicity and power in mind, it’s become the go-to solution for developers and sysadmins seeking full control over their monitoring infrastructure.

3. What Software Does It Replace?#

Uptime Kuma serves as a compelling alternative to several popular monitoring solutions:

• UptimeRobot (Commercial SaaS)
• StatusCake (Commercial SaaS)
• Pingdom (Commercial SaaS)
• Nagios (Open-source but complex)
• Zabbix (Enterprise monitoring)
• Datadog Synthetics (Commercial feature)

4. Core Functionality#

Uptime Kuma offers a robust set of monitoring capabilities:

• HTTP(s) Monitoring: Check website availability with customizable intervals
• TCP Port Monitoring: Verify service availability on specific ports
• Ping Monitoring: Network-level availability checking
• DNS Monitoring: Validate DNS record resolution and response times
• Push Monitoring: Receive heartbeat signals from your applications
• Multi-region Monitoring: Deploy monitors from different geographic locations
• Real-time Status Pages: Public-facing status pages with incident history
• Multi-notification Support: Alerts via Telegram, Discord, Slack, Email, Webhook, and more
• Certificate Monitoring: SSL/TLS certificate expiration alerts
• Response Time Tracking: Performance metrics and historical data

5. Pros and Cons#

Pros:

• Completely free and open-source
• Modern, responsive web interface
• Easy to set up and configure
• Extensive notification options
• Lightweight and resource-efficient
• Active community and regular updates
• No dependency on third-party services
• Supports multiple monitoring protocols

Cons:

• Requires self-hosting infrastructure
• Lenterprise-grade features of commercial alternatives
• No built-in distributed monitoring (requires manual setup)
• Limited historical data retention compared to paid services
• Community support only (no official SLA)

6. Detailed Installation Guide (Self-host)#

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sudo apt update && sudo apt upgrade -y

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# Install Docker
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curl -fsSL https://get.docker.com -o get-docker.sh
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sudo sh get-docker.sh
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# Install Docker Compose
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sudo curl -L "https://github.com/docker/compose/releases/download/v2.20.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
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sudo chmod +x /usr/local/bin/docker-compose

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mkdir uptime-kuma
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cd uptime-kuma
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nano docker-compose.yml

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version: '3.8'
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services:
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  uptime-kuma:
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    image: louislam/uptime-kuma:1
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    container_name: uptime-kuma
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    volumes:
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      - ./data:/app/data
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    ports:
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      - "3001:3001"
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    restart: unless-stopped

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docker-compose up -d

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http://your-server-ip:3001

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sudo apt install nginx -y
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sudo nano /etc/nginx/sites-available/uptime-kuma

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server {
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    listen 80;
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    server_name your-domain.com;
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    location / {
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        proxy_pass http://localhost:3001;
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        proxy_set_header Host $host;
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        proxy_set_header X-Real-IP $remote_addr;
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        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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        proxy_set_header X-Forwarded-Proto $scheme;
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    }
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}

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sudo ln -s /etc/nginx/sites-available/uptime-kuma /etc/nginx/sites-enabled/
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sudo nginx -t
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sudo systemctl reload nginx