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2026 short list: 1) Docker for most developers 2) Podman for secure Linux teams 3) Kubernetes when you run many containers 4) OpenShift for enterprise platforms 5) EKS, AKS, or GKE for managed cloud.
To containerise an application means packing the app and its dependencies into a small, portable unit. That unit runs the same way on a laptop, a test server, and a cloud cluster. This PickMySoft guide ranks the best containerise application software and shows how it fits a containerization software cloud stack.
The writing stays plain on purpose. You should know what to install after one read, without a long lecture on kernels.
What it means to containerise an application
You write a short recipe file, usually called a Dockerfile. The tool builds an image from that file. Then it starts a container from the image. Docker’s own workshop on how to containerize an application walks through build and run in simple steps.
A container is not a full virtual machine. It shares the host operating system and starts faster. That is why teams use containers for web apps, APIs, and batch jobs.
Best software to containerise an application
1. Docker — best overall for most teams
Docker is still the default way to containerise an application. The desktop app is clear. Compose files are everywhere. Tutorials are easy to find. Use Docker when your team is new, or when local development speed matters more than a daemonless design.
2. Podman — best for secure Linux work
Podman runs containers without a central daemon and works well rootless. Commands look a lot like Docker, so the switch is small. Podman Container Tools is in the CNCF sandbox and includes Buildah and Skopeo for build and image work. Choose Podman on RHEL, Fedora, or any team that wants fewer root privileges.
3. Kubernetes — best when many containers must run together
Kubernetes is not the first tool you use to containerise an application. It is the system that keeps many containers healthy in production: restarts, scaling, and rollouts. Most clusters now use containerd under the hood. Pick Kubernetes after the image already builds and runs on one machine.
4. Red Hat OpenShift — best enterprise platform
OpenShift wraps Kubernetes with build pipelines, policy, and support. Red Hat was again named a Leader in the 2026 Gartner Magic Quadrant for Container Management. Use it when a large company needs one platform from the data center to the cloud.
5. Managed cloud: EKS, AKS, and GKE
This is the containerization software cloud layer. Amazon EKS, Azure Kubernetes Service, and Google Kubernetes Engine run Kubernetes for you. Microsoft was also named a Leader in the 2026 Gartner Container Management report. Pick the cloud you already use. Do not start here if you have not yet built a local image.
How to containerise an application
- Write down what the app needs: language runtime, ports, and files.
- Create a Dockerfile that starts from a small official base image.
- Build the image and run one container on your laptop.
- Add Compose if the app needs a database next to it.
- Push the image to a registry, then run it on Kubernetes or a managed cloud service.
Need a deeper runtime comparison? See our best container engine software guide. For cluster tools, use the container orchestration ranking.
How to choose
Start with Docker if you want the shortest path to containerise an application. Move to Podman if security and Linux policy come first. Add Kubernetes only when one host is no longer enough. Use a containerization software cloud service when you want the cluster without hiring a full platform team.
At PickMySoft, the test is simple. Can you build one image, run it locally, and explain where it will live in production? If yes, you picked the right tool.
