Monitor websites with Uptime Kuma
Uptime Kuma makes it quick and easy to set up monitoring for various websites. The available monitor types range from a simple ping, to a port check, to monitoring specific services:
Profile:
Software | Uptime-kuma |
---|---|
GitHub | https://github.com/louislam/uptime-kuma |
current version | 1.21.0 |
found | 2023-03-23 |
Docker Basics
Docker allows applications to be launched by command in a so-called container.A container is an isolated environment independent of the operating system (OS):
When a container is first launched, Docker independently loads all the necessary sources
from the internet.
Docker can be installed on Windows, macOS or an Linux Distribution
To ensure that Uptime Kuma is can be reached securely from the Internet, I use a Let's Encrypt reverse proxy. At first I used Nginx as Reverse-Proxy, but later replaced it with Traefik. The reverse proxy provides an encrypted HTTPS connection and makes it possible to run multiple websites on one server.
Step by step Uptime Kuma and Docker including access from the internet
Hardware requirement:- Almost any hardware can be used for the Docker installation: For example, a virtual server of a provider, or for home: a Mini-PC, notebook, Raspberry PI, MAC, a NAS: QNAP, Synology or any other hardware on which Windows or Linux can be installed.
- In the case of a rented server from a provider, the provider assigns an IP address. If you want to operate a server in your own home network, you additionally need to set up port forwarding.
- The access from the Internet is best done via a domain with a DNS entry to the public IP address, see Domain and its management. If you do not have your own domain, you can also use a DynDNS service to access your home network.
- For the certificate management and access to the web services I use a reverse proxy and Let's Encrypt certificates.
- docker-compose.yml create and customize
- Start container and
- Setup
docker-compose.yml file:
To launch Uptime Kuma using docker compose, the official Docker image can be used. The image can be downloaded, created and launched using a simple docker-compose.yml file. The file can be filled with any text editor as follows and then customized:
Filename: docker-compose.yml, Content:
version: '3.1'
services:
uptime-web:
image: louislam/uptime-kuma
container_name: uptime-kuma
restart: always
expose:
- 3001
#For direct test access, remove "#" in the following 2 lines. Call: http://localhost:3001 or http://ServerIP:3001
#ports:
#- "3001:3001"
#Labels for ReverseProxy, see: https://www.libe.net/en-traefik
labels:
- "traefik.enable=true"
- "traefik.http.routers.uptime.rule=Host(`uptime.domain.tld`)"
- "traefik.http.routers.uptime.entrypoints=web"
- "traefik.http.routers.uptime.entrypoints=websecure"
- "traefik.http.routers.uptime.tls.certresolver=myresolver"
- "traefik.http.services.uptime.loadbalancer.server.port=3001"
volumes:
- ./data:/app/data
#Without using a reverse proxy (https://www.libe.net/en-traefik) the webproxy network is likely to be missing
#and the following lines can be removed or commented out. Alternatively, the network can be created with "docker network create webproxy".
networks:
default:
external:
name: webproxy
For direct access via IP address or localhost - also without a reverse proxy, DNS or public IP - the commented out port setting can be activated for test purposes by adding "#" in front of "ports" and "-"3001:3001"" is removed. For Internet access via the Traefik Reverse Proxy, the domain must be replaced in the labels with the previously created DNS records (in the example: uptime.domain.tld). The example uses Bind mounts and not volumes for permanently storing the data.[!Template.FutureLink:Docker Volumes vs Bind Mounts| See: Docker data storage: Docker volumes vs. host folders.!]]
Launch container
The startup is done from the folder of the docker-compose.yml file with the command""docker-compose up":
docker-compose up -d
Startup / first call of the web interface
Start the Web interface using the URL used in the config: for example: https://uptime.domain.tld. For the first login a User have to be created, which later can be used for logon:
Alerts: notification for the following services:
Alerta- AlertNow
- AliyunSMS
- Apprise (support for 50+ notification services)
- Bark
- ClickSend SMS
- DingDing
- Discord
- Feishu
- Google Chat (Google Workspace only)
- Gorush
- Gotify
- Home Assistant
- Line Messenger
- LineNotify
- LunaSea
- Matrix
- Mattermost
- ntfy
- Octopush
- OneBot
- PagerDuty
- PromoSMS
- Pushbullet
- Push by Techulus
- Push Deer
- Pushover
- Pushy
- Rocket.chat
- SerwerSMS.pl
- Signal
- Slack
- Email (SMTP)
- Stackfield
- Microsoft Teams
- Telegram
- Webhook
- WeCom
Für eine Signal-Integration, siehe: Signal cli rest API
Conclusion
With Uptime Kuma it is very quickly possible to set up simple monitoring for devices and measure availability. In addition, Uptime Kuma offers the ability to send notifications through a variety of providers.

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