How to run script pre-deployment on AppPlatform

👋 Hi @jhappy77

You can run some cleanup code by monitoring for a termination signal. For example, in a node.js app you could have:

process.on('SIGTERM', () => {
    console.info('SIGTERM signal received.');

    /**
     * This is where cleanup code can be run. For example, closing down the http server.
     */
    console.log('Closing http server.');
    server.close(() => {
        console.log('Http server closed.');
    });

    process.exit(0)
});

For more information on shutdown sequences in App Platform (which runs on Kubernetes), checkout this article: Kubernetes best practices: terminating with grace

Some additional notes:

• By the time this signal is given, traffic will no longer be reaching this instance of your app.
• This cleanup code should execute fairly quickly before the process will be terminated within 30 seconds.

Hi there,

This is not currently an option with the App Platform, but what you could do is to use GitHub actions to run specific actions on every pull request for example:

https://github.com/features/actions

That way, before merging your pull request, which triggers the deployment on the App Platform side, the GitHub action will run and execute the specific steps that you need. You could for example have an API endpoint that the GitHub action triggers which then starts the upload process of your files.

Hope that this helps!

Best,

Bobby