Deploy Python Application with pyzbar package to Heroku

There is been a time when I and my friend struggled to find a way to deploy a python application to **Heroku **which has pyzbar package in it (for decoding scanned QR codes in our project).

Heroku and pyzbar

Errors that I have faced before and after deploying

Endless hours of google search, StackOverflow, and whatnot. After all this, I found a way to deploy them and I would like to share it here since I have seen that so many people around the globe are facing this issue.

So let’s get started.

Update your Aptfile with following

[embed]

Make sure your requirements.txt has the version mentioned

[embed]The above-mentioned packages are just for demo purposes

Not compulsory but it will be helpful to add runtime.txt

[embed]

Here comes the uploading part

Download Heroku CLI before proceeding further and then scroll down to get these options:

Install Heroku CLI with respect to your Operating System

Before uploading it to Heroku make sure to upload it to GitHub otherwise Heroku will raise an error when executing Heroku create.

The buildpack in the 4th line is very important since it downloads and installs packages required from Aptflie for the Linux kernel.

The friendly remainder, <____> represents do as directed and exclude <>

[embed]To be executed in cmd(windows) or terminal(Linux shell)

The End

Hope this article helps you to tackle problems and successfully deploy your application in Heroku. If this doesn't help you then you are most welcome to drop your problem in the comment section since others and myself can try to provide suggestions or fix it and if this does help then please let us know, it just feels nice. Thank you for reading!!