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15 Essential Container Orchestration Tools For 2022

Managing containerized applications or microservices can be difficult. These container orchestration tools will help you save time and be more efficient.

Is your current cloud cost tool giving you the cost intelligence you need?  Most tools are manual, clunky, and inexact. Discover how CloudZero takes a new  approach to organizing your cloud spend.Click here to learn more.

Managing containerized applications or microservices can be difficult. It is even more demanding and error-prone if you do it manually. So, what’s the alternative?

Container orchestration.

Container orchestration is an automation technology that helps engineers coordinate when containers start and stop, schedule and execute tasks, manage failovers, and perform recovery processes. The technology helps automate these tasks throughout a container's lifecycle.

You can find out more about container orchestration in our guide here. In this guide, we’ll explore what role container orchestration tools play and some of the best tools available right now.

Table Of Contents

What Is A Container Orchestration Tool?

A robust container orchestration tool helps manage containers and microservices at scale. As a result, you can deploy containers across a cluster, scale them, and maintain their health over time.

You define an app’s configuration with either a YAML or JSON file. This file instructs the configuration management tool on how to locate container images, set up a network, and where to store logs.

To deploy a new container, the tool automatically plans deployment to a cluster and selects the best host based on predetermined criteria. Then, using the specifications in the compose file, the tool governs the container’s lifecycle.

Another example is many modern container orchestration tools use declarative programming to simplify container management.

With declarative language, engineers can define their desired outcome without specifying how the tool should achieve it. Conversely, imperative programming requires you to provide step-by-step instructions for achieving your goal. The result? An increase in time to benefit, which is bad for business.

Fortunately, there are over 100 platforms for orchestrating containers, most of which are powered by Kubernetes. The downside is that choosing the best can be difficult when so many options exist.

In the next section, we’ll compile a list of some of the best container orchestration tools on the market today — without the technical jargon.

15 Best Container Orchestration Tools

A top container orchestration platform abstracts away underlying virtual machines or physical servers into a single resource pool.

The tools usually expose an API that lets you decide how many containers to deploy for a specific app and how they perform under different loads. By automating deployment processes within CI pipelines, teams can iterate quickly. This ability to simplify complexity has made orchestration tools so popular.

You may find these 15 container orchestration tools helpful in your production environment.

1. Kubernetes - Open-source container orchestration platform

Kubernates

Kubernetes has replaced Docker as the most popular platform for orchestrating containers. A highlight of Kubernetes is that it is highly extensible, which makes it ideal for managing container workloads at scale. Yet Kubernetes can also run in the cloud or on-premises (as a hybrid cloud solution).

Kubernetes also enables DevOps engineers to fully express their workloads without writing JavaScript, Python, or Ruby code. They can use kubectl command-line utilities and YAML deployment files instead.

Moreover, Kubernetes has a wide range of community special interest groups (SIGs) that focus on specific areas. Besides adding new features, the community continues to improve the Kubernetes user experience.

In addition, Kubernetes resources and skills are reusable across environments. As a result, Kubernetes is less fragmented than, for instance, Linux, where different distributions can differ significantly in how they install software and set up networks.

2. Docker Swarm - Docker-based cluster management and orchestration tool

Docker Swarm

Docker Swarm is a lightweight cluster management tool for Docker-based containers. Swarm mode is an open-source framework that enables you to build, deploy, run, update, and simplify container management. Docker Swam integrates natively with Docker (a container runtime), providing a powerful combo for orchestrating containers in production.

Compared to Kubernetes, Docker Swarm features emphasize ease of use and simplicity. So, although Kubernetes and Docker share many similarities (from Manager nodes to ingress networking and load balancing), Docker Swarm is the more suitable option for organizations seeking an easier way to manage containers.

Besides macOS and Windows, Docker containerization works on most other platforms. You can also run Docker containers on any OS and all major cloud providers, such as Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), and IBM Cloud.

3. Redhat OpenShift - Cloud, hybrid cloud, and self-managed orchestration tool

Redhat OpenShift

OpenShift is a group of containerization tools that simplifies container management and orchestration. It offers both cloud-based and self-managed container orchestration capabilities. It functions as both a Platform-as-a-service (PaaS) and containerization solution.

Yet part of it is also built on Docker.

With the OpenShift Container Platform, you get superior security, built-in monitoring, unified policy management, and compatibility with Kubernetes container workloads. The platform is also fast, offers self-service provisioning, and comes with networking plugins out of the box. Also, because OpenShift integrates with numerous systems, there is little risk of vendor lock-in.

There’s more. OpenShift OKD, the open-source project, enables developers to build, test, and deploy applications to the cloud. It also supports Node.js, Go, Ruby, PHP, Python, Java, and Perl programming languages. Still, OpenShift may be ideal for organizations that have dealt with, use, or plan to use Red Hat products, like CentOS and Fedora.

4. Apache Mesos - Distributed systems kernel

Apache Mesos

Mesos by Apache manages workloads in distributed environments by dynamically isolating and sharing computing resources. It is ideal for deploying and managing large-scale, clustered applications.

A Mesos nodes’ cluster pools existing resources to serve a wide range of workloads. The abstraction removes the need to assign specific machines for specific workloads.

How Apache Mesos works is by operating between the application layer and the operating system. In a sense, it's like a kernel for a data center. You can isolate processes in a cluster, including CPU, memory, rack locality, file system, and I/O. Mesos is thus able to provide centralized, vast resources for workloads.

Mesos also uses Apache Zookeeper to ensure that all clients receive consistent data from distributed processes. It uses the Chronos Scheduler to run and stop services and Marathon API to scale and load balance services.

Although Apache Mesos doesn't support service discovery natively, the applications it runs do, including Kubernetes and Docker.

5. Digital Ocean Kubernetes Engine - Managed Kubernetes tool for DO customers

Digital Ocean Kubernetes Engine

DigitalOcean Kubernetes (DOKS) enables you to deploy Kubernetes clusters without worrying about underlying container infrastructure or control planes.

DO's CNCF Certified Conformant Kubernetes is highly available (99.95% in its SLA), supports hybrid cloud environments, and is highly scalable (using Cluster AutoScaler). Clusters are compatible with most Kubernetes tools. They also integrate natively with DigitalOcean block storage volumes and Load Balancers.

The DigitalOcean Kubernetes platform is also suitable if you have a small business. With DOKS free control plane and low-cost bandwidth, you can start as low as $12 per month and scale up over time.

6. Nomad by HashiCorp - Orchestration tool for containerized and non-containerized applications

Nomad

If you already use HashiCorp products like Terraform, Vault, and Consul, Nomad will be a natural fit. Nomad stands out for several reasons. First, it supports both on-premises and cloud deployments.

Additionally, Nomad orchestrates both non-containerized and containerized workloads. This means you can use it as a Kubernetes supplement or alternative. In either case, Nomad is a more flexible and simpler scheduler and orchestration tool than many competitors.

Since it runs as a single binary, it also occupies little space. Yet it supports many more workloads beyond containers. For example, it supports Java, Windows, virtual machines, and Docker workloads.

You can also download the open-source, self-managed Nomad binary and run it locally or within your environment. You can try Nomad Enterprise (free trial) if you need a large-scale implementation.

7. Rancher - Enterprise Kubernetes management tool

Rancher

Rancher is an open-source suite of cluster and container management tools that help deliver Kubernetes-as-a-Service. The solution enables you to achieve this whether you deploy in the cloud, on-premises (data center), or at the edge. It is also ideal for orchestrating containers across clusters, hybrid clouds, and multi-clouds.

Rancher takes on the security and operational challenges of managing many Kubernetes clusters. Besides, it offers multiple integrated tools to help DevOps teams manage containerized workloads effectively.

Rancher's other unique feature is that it supports any CNCF-certified Kubernetes distributions. That includes Rancher Kubernetes Engine (RKE), EKS, GKE, AKS, and K3s. It further enhances Kubernetes by integrating widely used open-source tools like Fluentd, Prometheus, Istio, and Grafana. Should you decide to switch to a different vendor, Rancher provides a clean uninstall, unlike many other K8s distributions.

8. Amazon Elastic Container Service (Amazon ECS) - Proprietary AWS container orchestration service

Amazon ECS

Amazon ECS is an AWS container service that is fully managed. It delivers a secure and highly scalable container orchestration service. ECS is a great option if you have sensitive, mission-critical workloads or have committed to using AWS products long-term.

Both Fargate and EC2 instances can run these containers. Your DevOps team can quickly deploy and run Docker containers using AWS' Elastic Container Service (EC2). Yet ECS integrates natively with Amazon Fargate, an AWS serverless computing engine, and many other AWS services.

As a result, you don't have to worry about server provisioning — only about specifying resource requirements. So, you can focus more on optimizing applications and less on managing infrastructure.

Besides, Amazon EC2 comes with in-built cost optimization features like utilizing EC2 Spot instances and Fargate Spot tasks, which can reduce your running costs by up to 90%.

9. Amazon Elastic Kubernetes Service (Amazon EKS) - AWS managed Kubernetes service

Amazon EKS

While ECS helps start, run, and scale Docker containers, Amazon EKS provides a fully managed orchestration tool for Kubernetes clusters on AWS. You can use EKS on-premises or in the cloud. If you want to run EKS with your own tooling, the self-managed option will help you run it on bare metal servers, VMs, and Amazon EC2 instances.

Similarly to ECS, you can choose which compute power option to use between Fargate and ECS instances. Also, Amazon EKS integrates natively with many essential AWS services such as Auto Scaling Groups (scalability), CloudWatch (monitoring), and IAM (access control) to provide a seamless experience throughout your containerized environments.

EKS is an upstream Kubernetes offering that's Certified Conformant, so you can use EKS with most Kubernetes tools and plugins currently available. In addition, EKS automatically starts, runs, and scales Kubernetes with three master nodes over multiple zones, which ensures high-level reliability.

10. Microsoft Azure Container Tools - Managed container and Kubernetes management solutions

Azure

After AWS, Microsoft's Azure Cloud is the most popular cloud provider. However, enterprises prefer Azure. To help these customers start, run, and scale containerized apps at scale, Azure offers a range of container and cluster management solutions. They include:

  • Azure Container Apps: Enables you to create serverless microservices using containers. Then again, ACA does not provide API access like, say, AKS does.
  • Azure Container Instances: ACI offers one pod of Hyper-V isolated containers as needed. It is less complex than Container Apps. But ACI containers do not provide concepts like scale, load balancing, or certificates. For example, you create five different container instances when you want to scale up to five containers. However, this service provides several application-specific capabilities on top of containers, such as scaling, certificates, revisions, and environments.
  • Azure Kubernetes Service: Like Amazon EKS, AKS is a free, fully managed Kubernetes service on Azure. You can run any Kubernetes workload on it, plus it supports direct access to the Kubernetes API. As a hosted Kubernetes service, it also monitors and maintains critical tasks like health monitoring and maintenance.

Compare Azure ACI vs. AKS or explore ACA to determine which Azure container service is best for your production needs.

11. Google Kubernetes Service (GKS) - Managed Kubernetes Service by Google

GKS

GKE provides a managed framework to deploy, manage, and scale containerized apps with Google infrastructure. Google originally built Kubernetes (as Borg), and its GKS service shows. Kubernetes cluster management powers GKS clusters, for example.

You utilize Kubernetes commands and tools to deploy, run, and manage your containerized applications, set policies, run administrative tasks, and keep track of your workload's health. Some key advantages of GKE are its fast performance, scalability (up to 15,000 nodes), high availability, and multi-zone support.

In the hosted environment, Google technicians manage essentials like rolling updates. Autopilot mode will manage your cluster and infrastructure on your behalf. But, you can choose Standard mode, which gives you complete control over cluster management and node configuration.

Note: Should you need a Google-based serverless container orchestration alternative, consider Google Cloud Run.

12. Portainer - Universal container management tool

Portainer

With Portainer, you get a container management system that works with Kubernetes, Docker, Swarm, and Nomad deployments. Regardless of the IIOT device, Network Edge, cloud, or datacenter (on-premise), you can configure, deploy, monitor, and secure any of these.

There is a Community Edition (Community Edition or Portainer CE) as well as a Business Edition (Business Edition or BE). But even the self-service platform packs a simplified UI and code that lets you deploy your containerized workloads more quickly. The default configurations and templates speed up deployments and help prevent production errors.

Portainer also supports multi-cloud and multi-cluster management, along with centralized identity, audit, and access to enhance security.

13. Mirantis Kubernetes Engine - Orchestrate Kubernetes or Swarm at the same time, on the same cluster

Mirantis

With the Mirantis Kubernetes Engine, you can rapidly build, configure, and update production-ready Swarm and Kubernetes clusters with minimal expertise. As a complete enterprise container solution, it provides full-stack management.

Mirantis can manage your entire Kubernetes or Swarm stack remotely. The Mirantis platform is also open-source and extensible, enabling you to avoid vendor lock-in and improve your system as needed.

The platform supports both Kubernetes and Swarm orchestrators in the same cluster. Despite this, Mirantis' container solution is simple enough for seamless Linux and Windows deployments.

Currently, the platform supports AWS, Equinix Metal, and Microsoft Azure workloads. In terms of container security and compliance, Mirantis provides custom RBAC, two-factor authentication, and continuous compliance. You can also configure the tool to provide Kubernetes with Calico networking (or a different CNI plug-in option) and Istio ingress.

14. Linode Kubernetes Service - Simple hosted Kubernetes platform

Linode

Akamai’s Linode Kubernetes Engine (LKE) provides fully managed container orchestration in the cloud. It is one of the simplest hosted Kubernetes platforms on the market for microservices and modern containerized applications. Setting up, provisioning, and administering your clusters takes a few clicks.

Linode, like most modern container orchestration tools, is built on Kubernetes. This makes it highly portable and extensible. It also integrates with a lot of Kubernetes-compatible tools. For example, LKE supports Rancher, Helm Charts, and Operators.

It now offers a high availability control plane (API, etcd, scheduler, and resource controllers), continuously backs up your clusters’ metadata (including automated recovery), and simplified pricing. Then again, you may want to check if the service is available in your region first.

15. Volcano - Open-source batch solution on top of Kubernetes

Volcano

Volcano delivers a general-purpose batch scheduling solution powered by Kubernetes. Besides HPC scenarios, it also covers Big data and AI use cases in cloud-native architectures. Volcano integrates with multiple computing frameworks, including TensorFlow, MindSpore, and Spark, helping you configure a cohesive container platform using Kubernetes.

Volcano's powerful and versatile batch scheduling capabilities include gang and query scheduling, job- and namespace-based fair share, and reservation and backfill. It also provides a variety of capabilities, like job lifecycle management, command line, multi-cluster scheduling, job view, data management, and hardware acceleration.

Note: Helios is a Docker orchestration solution that helps deploy and manage containers across multiple servers. It provides an HTTP API and a command-line client to communicate with your container servers. Spotify built Helios but archived it after Kubernetes and other orchestration tools became popular. It currently accepts bug fixes but not new features.

 

What Next: Control Your Containerized And Non-Containerized App Costs With Cloud Cost Intelligence

Using containerized applications and microservices is a smart move for modern applications. Both architectures are highly scalable, resilient, and fast. These same characteristics can, however, cause your cloud costs to spiral out of control.

However, most container orchestration tools do not provide cost management and optimization features. The few dashboards that provide usage and cost metrics do not map costs to specific people, processes, or products.

For this reason, you'll need a dedicated cost platform to measure costs within your containerized infrastructure — down to the pod and hour levels.

Transform Costs to Meaningful Dimensions

CloudZero helps SaaS and tech brands do this on Kubernetes, Snowflake, and AWS. It provides visibility into containerized and non-containerized infrastructure without requiring manual tagging.

With CloudZero’s cloud cost intelligence platform, you can view costs per product, feature, and customer seamlessly, whether you run only on Kubernetes or are just transitioning. Then you can make informed decisions, such as how to price your services to a specific customer, or customer segment, to protect your margins.

You don't have to take our word for it. Request a demo today to see CloudZero's Kubernetes cost intelligence, easy-to-understand unit cost analysis, and continuous cloud cost optimization.

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