Best Docker Certifications in 2026 — DCA Is Gone, Here's What to Do Instead

Quick answer: The Docker Certified Associate (DCA) was discontinued in 2026. Docker has not announced a direct replacement. The best paths forward in 2026 are:

• Kubernetes (CKA / KCNA) if you work with containers in production — most container engineering jobs now overlap with K8s
• TrueCert Docker assessments (free fundamentals, $14.99 professional) for a verifiable Docker-specific credential
• A GitHub portfolio repo showing a real multi-container Docker project — still the strongest signal for hiring

Skip: legacy DCA prep courses (the cert is gone), unrelated container certs marketed as "DCA alternatives."

The DCA Is Dead. Now What?

If you've searched for "Docker certification" recently, you've probably noticed the confusion. The Docker Certified Associate (DCA), the only official Docker certification, was discontinued when Mirantis acquired Docker Enterprise. There is no direct replacement from Docker Inc. or Mirantis.

That leaves Docker as one of the most widely used technologies in the world with no official vendor certification. But that doesn't mean you can't prove your Docker skills. You just need to know where to look.

Docker Certification Options in 2026

1. Cloud Provider Container Certifications

AWS, Google Cloud, and Azure all include Docker and container knowledge in their certifications, but none of them are Docker-specific:

• AWS Certified DevOps Engineer: covers ECS, ECR, and container deployment, but Docker is a small part of a much larger exam
• Google Cloud Professional Cloud DevOps Engineer: includes GKE and container concepts
• Azure Administrator (AZ-104): touches on Azure Container Instances

The problem: these are cloud-specific exams that cost $150 to $300, require extensive study beyond Docker, and test you on vendor lock-in services rather than core Docker skills. See our best cloud certifications guide for the full picture.

2. Kubernetes Certifications (CKA/CKAD)

The CNCF's Certified Kubernetes Administrator (CKA) and Certified Kubernetes Application Developer (CKAD) are often recommended as Docker certification alternatives. They do cover container concepts, but:

• They focus on Kubernetes, not Docker
• They cost $395 each
• They assume you already know Docker, they don't test it directly
• Writing a Dockerfile and managing containers is very different from managing Kubernetes clusters

For a full breakdown of the Kubernetes certification landscape, see our best Kubernetes certifications guide.

3. Linux Foundation Certified IT Associate (LFCA)

The LFCA includes a "DevOps Fundamentals" section that covers container basics. But at $250 and with Docker being just one of many topics, it's not a Docker credential. It's a general IT certification that happens to mention containers.

4. TrueCert Docker Track

TrueCert offers a progressive Docker certification path:

Level	Certification	Questions	Time	Price
Introduction	Docker Introduction	10	10 min	Free
Fundamentals	Docker Fundamentals	20	30 min	$14.99
Professional	Docker Professional	25	50 min	$29.99

What's covered:

• Introduction: containers vs VMs, basic commands, images, Dockerfiles
• Fundamentals: Dockerfile instructions, container lifecycle, images and containers, Docker Compose, volumes and storage, Docker networking
• Professional: multi-stage builds, container security (scanning, rootless, read-only), registry management, advanced Compose (profiles, healthchecks), resource limits, overlay networking, logging and monitoring, production deployment patterns

All assessments are timed, randomized from a question bank, and produce verifiable Open Badges 2.0 certificates.

Head-to-Head Comparison

	DCA (discontinued)	CKA	Cloud Certs	TrueCert Docker
Docker-specific	Yes	No	No	Yes
Price	Was $195	$395	$150 to $300	Free to $29.99
Still available	No	Yes	Yes	Yes
Format	MCQ + labs	Hands-on terminal	MCQ	Timed MCQ + scenarios
Results	24 to 48 hours	24 hours	Varies	Instant
Covers Dockerfiles	Yes	Minimal	No	Yes
Covers Compose	Yes	No	No	Yes
Covers security	Basic	No	No	Yes (Professional)

Which Should You Choose?

Choose CKA if you're focused on Kubernetes and already know Docker well. The CKA assumes Docker knowledge, it doesn't teach or test it.

Choose a cloud cert if you need to prove skills on a specific platform (AWS, GCP, Azure) and containers are just part of that picture.

Choose TrueCert if:

• You want to verify your Docker skills specifically, not as a side topic in a broader exam
• You don't want to spend $195 to $395 on a certification that barely covers Docker
• You want to start free and progress through levels
• You need instant results and a verifiable credential

The Practical Approach

Here's what we'd recommend:

Step 1: Take the free Docker Introduction on TrueCert. 10 minutes, zero risk. See if you actually know the basics or just think you do.

Step 2: If you pass, move to Docker Fundamentals. This covers the core skills you use daily: Dockerfiles, Compose, networking, volumes. 20 questions, 30 minutes, $14.99.

Step 3: For engineers who manage containers in production, Docker Professional covers multi-stage builds, security scanning, registry management, and production deployment patterns. The skills that separate someone who uses Docker from someone who runs it in production.

Step 4: If your role also involves orchestration, pair your Docker credentials with the Kubernetes track. Container skills and orchestration skills complement each other: Docker is how you build and run containers, Kubernetes is how you manage them at scale. See the best Kubernetes certifications guide for the next step.

The Bottom Line

The DCA is gone and nothing has directly replaced it. Cloud certs and Kubernetes certs include containers as a subtopic, but none of them actually verify that you can write a Dockerfile, debug a container, configure networking, or secure a production deployment.

Docker skills aren't going away. Containers are the foundation of modern deployment. The certification landscape just hasn't caught up. TrueCert fills that gap with Docker-specific assessments at every level, starting free.

Start now: Free Docker Introduction or browse the full Docker & Containers career path. For related credentials, see our guides on the best Kubernetes certifications, best DevOps certifications, and best cloud certifications.

Frequently asked questions

Was the Docker Certified Associate discontinued?

Yes. Docker retired the DCA in 2026 when Mirantis took over Docker Enterprise, and there is no direct replacement under the official Docker
brand.

What replaced the DCA?

Nothing official from Docker. Most engineers have pivoted to the Linux Foundation Kubernetes ladder (CKA, CKAD, KCNA) since container work and
orchestration work overlap heavily in 2026. TrueCert's Docker assessments are a lighter-weight alternative for engineers who want a verifiable
Docker-specific credential.

Is the DCA still worth listing on my CV?

If you passed it before it was discontinued, leave it on — but date it ("DCA, earned 2023") so recruiters know it's a legacy credential. Pair it
with a current cert (CKA, TrueCert Docker Professional, or a portfolio project) to avoid signaling that you stopped paying attention. Don't try
to take it now — the exam is no longer offered, and any third-party platform claiming otherwise is selling outdated material.

What's the cheapest Docker certification in 2026?

TrueCert Docker Introduction is free. TrueCert Docker
Fundamentals at $14.99 is the cheapest paid Docker-specific credential. All cloud and Kubernetes
alternatives start at $150 or more.

Do I need a Docker cert if I already have CKA?

No. The CKA implicitly validates Docker knowledge since Kubernetes orchestrates Docker containers, and most hiring managers treat CKA as a
superset that includes Docker fluency. A separate Docker credential adds little signal if you already hold CKA.

Is Docker still relevant in 2026?

Yes. Docker remains the default containerisation tool for developers, and Docker Desktop is still the standard local development environment.
What has changed is that production container orchestration has settled on Kubernetes, which is why most senior credentials now focus there.

How much does the Kubernetes CKA exam cost?

$395 USD as of 2026. The exam is hands-on, valid for 2 years, and requires full re-examination at the same price for renewal.

Should I get the CKA or the Linux Foundation KCNA first?

KCNA ($250) is a lighter introduction and a reasonable first step if you're new to container orchestration. CKA ($395) is the credibility cert
that hiring managers actually recognize. If you can only get one, get the CKA.