Skip to content
Securely manage Docker, Swarm, Kubernetes and Podman clusters in the cloud, on-premise, and in the data center.
Secure app deployment and device management for your Industrial IoT, IoT and Edge devices.
Let Portainer's Managed Platform Services accelerate your containerization journey.
A fully integrated, multi-cluster Kubernetes platform that’s scalable, secure and supported.
Deployment scenarios
Partner Solutions (Hybrid Cloud)
Onboard, manage and deploy workloads across hundreds of devices securely with Portainer.
Deployment scenarios
Partner Solutions (Edge/IIoT)
Neil Cresswell, CEOMay 14, 20257 min read

When easy leads to expensive: Why ECS isn’t the best place to start with containers

If you are just starting your journey into containers, you are not alone. Thousands of organizations are beginning to explore what containerized applications can offer in terms of consistency, scalability, and operational agility. And if your workloads already sit inside AWS (or even if they are not), it is only natural that your first instinct might be to reach for ECS, Amazon’s Elastic Container Service.

It is already integrated into the AWS console. It feels familiar. It promises to simplify the process and remove the need to learn something new. On the surface, it appears to be a logical first step.

But simplicity can sometimes be deceptive. What feels like a shortcut can often become a long detour. And when it comes to ECS, what you are actually doing is adopting a highly opinionated and proprietary model that can limit your future choices, restrict your portability, and create a false sense of operational maturity.

This blog is not an attack on ECS. It works, and in certain situations it is the right fit. But if you are new to containers and genuinely looking to build capability, to scale your architecture sensibly, and to avoid painting yourself into a corner, then Portainer may be a smarter, safer, and more sustainable place to start.

Let’s explore why.

ECS doesn’t teach you containers, it teaches you ECS

This is the most important thing to understand: when you use ECS, you are not really learning how to work with containers. You are learning how to work with ECS.

That is an important distinction. ECS wraps containers in a set of AWS-specific constructs like task definitions, IAM-based permissions, CloudWatch for logging, and ALB integration for networking. These are not container-native concepts. They are AWS-native patterns. And they do not travel well.

This means that as your architecture evolves, and your requirements expand beyond AWS, everything you have learned so far becomes increasingly obsolete. ECS does not help you build durable, transferable skills. It teaches you how to use a very specific and proprietary implementation of container orchestration.

And that becomes a problem the moment you want to step outside of AWS, or move toward a more open standard like Kubernetes.

Even within ECS, you can find yourself hamstrung by its own UI. Many common tasks, like updating container configurations, require creating entirely new task definitions and re-deploying services. Often, the only way to get things done is by using the CLI or scripts, because the UI simply does not support the full lifecycle. For something marketed as simple, that kind of friction is telling.

ECS Anywhere doesn’t solve lock-in, it extends it

When you raise the point of lock-in with AWS advocates, they often counter with ECS Anywhere. The pitch is compelling at first glance. You can now run ECS workloads on your own infrastructure, outside of the AWS cloud. That sounds like a way out. It sounds like flexibility. But the truth is quite different.

While your workloads may physically run elsewhere, they are still completely orchestrated and managed through AWS. You are still using AWS APIs. You are still relying on AWS IAM. You still need AWS Systems Manager and the ECS agent installed on your local nodes. And your application definitions remain in AWS-specific formats.

You have not broken free. You have just stretched the cord a little further.

Rather than becoming more autonomous, you have actually extended your dependence. You have introduced new operational complexities without gaining any real portability. And you still cannot reuse your container configurations anywhere else, because they are not written in standard formats like Docker Compose or Kubernetes manifests.

And it is not just compute. As your ECS usage grows, so does your consumption of other AWS services: Route 53 for DNS, CloudFront for CDN, ALBs for ingress, CloudWatch for logs, IAM for RBAC. What began as a container deployment subtly becomes an ecosystem dependency. The more convenient it feels, the harder it becomes to leave.

The cost of convenience eventually shows up

One of the biggest reasons people choose ECS is the perception that it will be simpler and cheaper than managing Kubernetes. At the beginning, that can feel true. You do not need to provision nodes or install complex tooling. Everything is wired up for you. It feels smooth.

But the cost of that convenience surfaces over time.

Compute is just the starting point. You will pay separately for data transfer, storage, logs, monitoring, control plane operations, and service integrations. CloudWatch logs alone can accumulate serious charges as your application scales. Networking through load balancers adds more. And as you add autoscaling, metrics, and health checks, you are often forced to adopt more AWS services just to fill the gaps.

More importantly, these costs are difficult to track and harder to optimize. You cannot tune the ECS scheduler. You cannot overcommit compute. You cannot customize runtime behavior at the infrastructure level. You are managing workloads through abstraction, not through ownership.

Eventually, the convenience becomes a cost, not just financially, but in operational opacity

Hiding complexity does not remove it

ECS has always marketed itself as a simplified alternative to Kubernetes. And in fairness, it does succeed at removing much of the up-front complexity. You do not need to configure your own cluster or understand pod scheduling or dive into container networking. At first glance, that feels like a huge win.

But what ECS actually does is hide the complexity, not eliminate it. And when things break (and they inevitably do) you are left with very little context to debug.

Your team never had the opportunity to learn how containers behave at runtime, how they communicate, how storage works, or how logs flow. They simply learned how to click through an ECS wizard. And that learning does not translate outside of the AWS console.

The first time you need to triage a broken service, trace a network policy, or understand why a container will not start, you will realize how little visibility you have. And because ECS abstracts away the orchestrator logic, you cannot inspect it. You cannot tune it. You cannot fix what you cannot see.

Orchestrator versus control plane

This is where it helps to understand the architectural difference between what ECS is and what other container platforms offer. ECS is an orchestrator. It controls where and how containers run, using its own AWS-specific model. And it does so very effectively, if you are willing to stay inside the AWS bubble.

But that is a fundamentally different role from a control plane.

A control plane does not orchestrate. It manages orchestrators. It provides a layer of visibility, policy, governance, and lifecycle management across multiple environments; Docker, Kubernetes, on-premise, cloud, edge. This is the layer that helps teams manage containers without being locked into a single way of doing things.

An orchestrator is the engine. A control plane is the dashboard. And ECS does not give you a dashboard. It gives you one engine, bolted to one brand of car, running on one type of road.

So, what should you consider instead?

If your goal is to learn, grow, and eventually run containers with confidence across environments (not just inside AWS) then you need a different kind of solution. You need something that helps you manage containers, not just hide the machinery behind them. You need a control plane that respects your infrastructure choices and helps your team develop real skills over time.

This is where Portainer comes in.

Portainer is not an orchestrator. It is a container management control plane that works across Docker, Kubernetes, Podman, and edge environments. It gives you one interface to manage all your workloads, across cloud and on-prem. It does not tie you to a particular provider. It supports mixed environments, and even disconnected or air-gapped nodes.

Where ECS uses IAM as a default, Portainer integrates with LDAP, and OAuth, letting you plug into your existing identity systems. Where ECS makes simple config updates painful, Portainer gives you intuitive UI and API control for every part of your container lifecycle. And where ECS assumes your entire stack belongs to AWS, Portainer helps you build container infrastructure that you actually own.

You can start with Docker and graduate to Kubernetes. You can run everything on a single VM or span dozens of clusters. And you can do all of it without rewriting your manifests, relearning your tools, or rearchitecting your environment.

avatar

Neil Cresswell, CEO

Neil brings more than twenty years’ experience in advanced technology including virtualization, storage and containerization.

COMMENTS

Related articles