docs(use-cases): add deploy containerized apps doc MTA-6639

pages/use-cases/application-hosting/deploy-containerized-apps.mdx

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+---
+title: Running Containerized Applications with Scaleway
+description: Running Containerized Applications on Scaleway: A Deep Dive into Serverless, Kubernetes, and Virtual Instances
+tags: 
+dates:
+  validation: 2026-01-08
+  posted: 2026-01-08
+---
+
+-> General comments
+  - No links in product sections to avoid losing user
+  - Mermaid graphs ?
+  - 
+
+## Intro
+
+An overview of Serverless Containers, Kapsule (Kubernetes), and Virtual Instances to help you deploy containerized apps effectively.
+
+-> one line per product with key differentiator
+
+## Assessing your needs
+
+Understand key factors like control, scalability, expertise, and application state to guide your choice.
+
+## Serverless Containers: deploy Fast, scale automatically
+
+Fully managed, pay-per-use containers ideal for stateless apps and rapid deployment with zero operational overhead. 
+
+-> from image to running app in minutes
+
+## Kapsule: managed Kubernetes for scalable workloads
+
+A CNCF-certified, production-ready Kubernetes service for microservices, auto-scaling, and resilient applications. 
+
+-> Robust scalable infra with high control
+
+## Instances: full control over your environment
+
+Run containers on flexible VMs with full root access, ideal for custom runtimes, licensing, or advanced networking needs.
+
+-> Flexibility on container management solution (containerd / podman / compose / k3s & microk8s)
+
+## How to choose: use case comparison
+
+Compare solutions side-by-side and pick the best fit based on speed, control, cost, and technical requirements.
+
+-> Different scenarios (quick vs big vs flex)
+
+## Leveraging Scaleway Container Registry
+
+-> all images in one place aloowing to easily deploy, scale, update, move, remove apps
+
+## Storage
+
+Instances: Local / Block / File 
+K8s: PVs using Scaleway CSI driver
+Serverless Containers: any storage backend set up at the app level
+
+
+## Next steps
+
+Follow dedicated guides to get the most out of your chosen platform.
+
+-> links to docs / tutorials
+-> Sécu