Updated on June 30th, 2020 in #deployment, #flask, #elixir, #javascript, #jekyll, #ruby-on-rails

Create a Health Check URL in Your Web App and Monitor Its Uptime

In this video, we'll go over how to set up a health check endpoint in Flask and use the free UptimeRobot service to monitor your uptime.

Quick Jump: Demo Video

After watching this 5 minute video you’ll know how to create a custom health check endpoint in your app that double checks your database connection and also get notified by email from a free monitoring service if your site ever happens to go down.

Demo Video

Timestamps

• 0:35 – Creating a health check endpoint in a Flask app
• 2:41 – UptimeRobot (free) monitors and notifies you by email if your site goes down

Code

An example of creating a minimal /healthy health check endpoint in Flask which also checks your database to make sure it’s able to be connected to.

@page.route('/healthy')
def healthy():
    db.engine.execute('SELECT 1')

    return ''

Reference Links

• https://buildasaasappwithflask.com
• https://uptimerobot.com
• https://runninginproduction.com/tags/uptime-robot

How do you have your health check endpoint set up? Let me know below.