⬆️ Uptime monitor and status page powered by GitHub Actions, Issues, and Pages
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README.md

Upptime

Upptime (https://upptime.js.org) is the open-source uptime monitor and status page, powered entirely by GitHub Actions, Issues, and Pages. It's made with 💚 by your friends at Koj.

I find Upptime an incredible clever usage of [GitHub Actions]. You essentially get a free configurable uptime monitor for whatever you want. – CSS Tricks

Upptime is used by 1,000+ people and teams to ensure they know when their endpoints go down.

Uptime CI Response Time CI Graphs CI Static Site CI Summary CI

📈 Live Status: 🟧 Partial outage

URL Status History Response Time Uptime
Google 🟩 Up google.yml
Response time graph 136ms
Response time 103
24-hour response time 82
7-day response time 136
30-day response time 107
1-year response time 96
100.00%All-time uptime 100.00%
24-hour uptime 100.00%
7-day uptime 100.00%
30-day uptime 100.00%
1-year uptime 100.00%
Wikipedia 🟩 Up wikipedia.yml
Response time graph 171ms
Response time 221
24-hour response time 98
7-day response time 171
30-day response time 211
1-year response time 208
100.00%All-time uptime 99.99%
24-hour uptime 100.00%
7-day uptime 100.00%
30-day uptime 100.00%
1-year uptime 99.99%
Hacker News 🟩 Up hacker-news.yml
Response time graph 272ms
Response time 356
24-hour response time 108
7-day response time 272
30-day response time 287
1-year response time 350
0.00%All-time uptime 98.97%
24-hour uptime 0.00%
7-day uptime 0.00%
30-day uptime 73.22%
1-year uptime 97.67%
Test Broken Site 🟥 Down test-broken-site.yml
Response time graph 0ms
Response time 0
24-hour response time 0
7-day response time 0
30-day response time 0
1-year response time 0
0.00%All-time uptime 0.00%
24-hour uptime 0.00%
7-day uptime 0.00%
30-day uptime 0.00%
1-year uptime 0.00%

How it works

  • GitHub Actions is used as an uptime monitor
    • Every 5 minutes, a workflow visits your website to make sure it's up
    • Response time is recorded every 6 hours and committed to git
    • Graphs of response time are generated every day
  • GitHub Issues is used for incident reports
    • An issue is opened if an endpoint is down
    • People from your team are assigned to the issue
    • Incidents reports are posted as issue comments
    • Issues are locked so non-members cannot comment on them
    • Issues are closed automatically when your site comes back up
    • Slack notifications are sent on updates
  • GitHub Pages is used for the status website
    • A simple, beautiful, and accessible PWA is generated
    • Built with Svelte and Sapper
    • Fetches data from this repository using the GitHub API

Upptime is not affiliated to or endorsed by GitHub.

Screenshot of status website

👩💻 Documentation

  1. How it works
  2. Getting started
  3. Configuration
  4. Triggers
  5. Notifications
  6. Badges
  7. Packages
  8. Contributing
  9. Frequently Asked Questions

Concepts

Issues as incidents

When the GitHub Actions workflow detects that one of your URLs is down, it automatically opens a GitHub issue (example issue #67). You can add incident reports to this issue by adding comments. When your site comes back up, the issue will be closed automatically as well.

Screenshot of GitHub issue Screenshot of incident page

Commits for response time

Four times per day, another workflow runs and records the response time of your websites. This data is committed to GitHub, so it's available in the commit history of each file (example commit history). Then, the GitHub API is used to graph the response time history of each endpoint and to track when a site went down.

Screenshot of GitHub commits Screenshot of live status

📄 License

Koj

An open source project by Koj.
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