How to deploy a web app with multiple docker images and no sidecar container

Kirsten Rode 40

What is the best tool in Azure to host a web application that consists of four separate Docker images that have to communicate between each other? I've already tried container instances but learned that it's not possible to host multiple containers with this. Should I use Azure Container Web Apps or Azure Kubernetes Services, or are there any other recommendations?

Specifically other recommendations would be of interest to me, just in case i forgot something

Miah UHKA 0 Reputation points

2024-04-27T21:31:53.05+00:00

For hosting a web application with four separate Docker images that need to communicate with each other, Azure Kubernetes Services (AKS) is the best option. AKS provides a scalable, managed Kubernetes environment that can orchestrate and manage multiple containers efficiently. It offers advanced networking features for secure and efficient communication between containers, as well as the ability to scale your application as needed. Additionally, AKS integrates well with other Azure services, making it a comprehensive solution for managing complex containerized applications.
Charlie Wei 3,310 Reputation points

2024-04-28T12:19:38.08+00:00

Hello Kirsten Rode,

You may first refer to this Microsoft Learn document, which mentions the provision of deploying multi-container applications using Docker Compose in App Service, although this feature is currently in preview.

Should the above not meet your requirements or should you need more customization options, it is recommended to opt for AKS, which offers greater flexibility.

Best regards,
Charlie

If you find my response helpful, please consider accepting this answer and voting 'yes' to support the community. Thank you!
Kirsten Rode 40 Reputation points

2024-05-06T10:16:37.4733333+00:00

Thanks a lot @Charlie Wei I have already tried the specific tutorial/learn path you provided, it doesn't work for my use case unfortunately.

@SnehaAgrawal-MSFT Also thanks, but just for clarification, ist Azure Container Web Apps and Web Apps for Containers the same thing? I've seen the Web App for Containers already but I wasn't sure what it is exactly
SnehaAgrawal-MSFT 20,856 Reputation points

2024-05-08T08:00:27.1133333+00:00
@Kirsten Rode Thanks for reply!

Both Web App for Containers and Azure Container Apps are services provided by Microsoft Azure for deploying and managing containerized applications, but they serve different purposes and have different features:

Web App for Containers:

Web App for Containers is a service within Azure App Service that allows you to deploy and run containerized web applications.

It provides a fully managed platform for hosting your containerized applications without needing to manage the underlying infrastructure.

With Web App for Containers, you can deploy Docker containers containing your web application code, and Azure takes care of scaling, load balancing, and infrastructure management.

Also, it supports multiple programming languages and frameworks, making it suitable for a wide range of web applications.

Azure Container Apps:

Azure Container Apps is a newer service designed specifically for running modern microservices applications using containers.

It provides a fully managed platform for deploying and orchestrating containerized applications without the complexity of managing Kubernetes clusters.

Azure Container Apps is built on top of Azure Kubernetes Service (AKS) but abstracts away much of the Kubernetes complexity, making it easier to deploy and manage containerized applications.

It provides features such as automatic scaling, traffic routing, and integration with Azure services like Azure Monitor and Azure Functions.

Azure Container Apps is well-suited for modern microservices architectures where you need more control over networking, scaling, and integration with other Azure services.

In short, while both services allow you to deploy containerized applications on Azure, Web App for Containers is focused on hosting web applications in a managed environment, while Azure Container Apps is designed for deploying and managing modern microservices applications using containers, with more control and integration options.

Hope this helps.

1 answer

SnehaAgrawal-MSFT 20,856 Reputation points

2024-04-29T09:15:35.2466667+00:00

@Kirsten Rode If you have a web application that consists of multiple Docker images that need to communicate with each other, then Azure Kubernetes Service is a good option. AKS is a fully managed Kubernetes service that makes it easy to deploy, manage, and scale containerized applications. With AKS, you can deploy and manage multiple containers as a single application, and you can also scale your application up or down as needed.

Azure Container Web Apps is another option, but it is more suited for hosting a single containerized application. If you have multiple containers that need to communicate with each other, then AKS is a better choice.

Also- Web App for Containers provides a flexible way to use Docker images. This quickstart shows how to deploy a multi-container app (preview) to Web App for Containers

Please let us know if further query
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How to deploy a web app with multiple docker images and no sidecar container

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