Remove entrypoint and make it possible to do cross platform build

[stevefan1999-personal]

This PR enables multi-platform Docker image builds using docker buildx to support both AMD64 and ARM64 architectures.

It is really simple:

docker buildx build --push --platform linux/amd64,linux/arm64 -t stevefan1999/nopcommerce:latest .

Replace the image name and tag with official nopcommerce scope. That said, stevefan1999/nopcommerce:latest does exist for an example of a successful multi-arch build for nopCommerce.

The changes allow nopCommerce to run natively on ARM-based infrastructure including Oracle Cloud's Always Free ARM instances, AWS Graviton, Azure ARM VMs, and Apple Silicon development environments. I have manually confirmed it runs on my ARM VPS server, albeit not with additional testing, that I haven't installed it yet, and may have to think about how to store the config.

Little nag: I also want to know how do I do automatic installation without human intervention, because I run in a Kubernetes environment and I want to auto deploy everything, and I need to know what paths I needed to store persistent data.

Changes:

• Updated build process to use docker buildx with --platform linux/amd64,linux/arm64
• Maintained compatibility with existing AMD64 deployments
• No noticable changes required to the existing deployment using the older Dockerfile

[AndreiMaz]

@skoshelev See https://www.nopcommerce.com/en/boards/topic/102404/arm64-docker-image-support

[stevefan1999-personal]

@skoshelev See https://www.nopcommerce.com/en/boards/topic/102404/arm64-docker-image-support

Yes, I'm trying to deploy it on Oracle Cloud with their free MySQL HeatWave database too.

[skoshelev]

Hi @stevefan1999-personal!

Thank you very much for your contribution.

I didn't quite understand the paths for data, but I can assume that you need the following directories:
App_Data
Plugins
Themes
wwwroot
As for the installation automation, unfortunately, we don't have such a function. The easiest way to do this is to create a backup copy with the default settings for you, deploy it, and write the connection string in the appsettings.json file