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Looking for a Free Heroku Alternative?

 With Heroku discontinuing its free tier, many developers have been searching for alternative platforms to host their web applications built with Node.js, PHP, Go, Python, Ruby, .NET or Java. One excellent alternative I've found is Google App Engine, which offers a free tier that rivals Heroku’s previous offering.

Why Google App Engine?

By using the F1 (Standard Environment) instance, you can host your web application for free indefinitely. You also get 1GB of free outbound data transfer per day, which adds up to around 30GB of free data transfer per month (plenty for small to medium-scale applications).

Things to Watch Out For:

While the F1 instance is free, it's important to note that only 1 F1 instance is free. If your app experiences heavy traffic, Google App Engine will automatically scale and spin up additional instances, which could result in charges. To avoid this, you can set a limit on the number of instances.

Here’s how you can configure your app.yaml file to prevent autoscaling beyond one instance and keep your application within the free tier:

runtime: nodejs20
instance_class: F1

automatic_scaling:
  min_instances: 1
  max_instances: 1
  max_concurrent_requests: 200

env_variables:
  # Add your environment variables here


By setting max_instances: 1, Google App Engine will limit your application to a single instance, ensuring you stay within the free tier and avoid unexpected charges.

Need Help?

If you have any questions or need assistance with setting up Google App Engine, feel free to leave a comment below this blog post. I'm happy to help!

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