Kubernetes: Self-Hosted or Managed? The Real Math

Kubernetes: Self-Hosted or Managed? The Real Math

You're deciding whether to run Kubernetes yourself or use a managed service.

Your CTO says: "Managed Kubernetes (EKS, AKS, GKE) is expensive. We can save money by self-hosting."

Your DevOps lead says: "We don't have time to manage Kubernetes ourselves. We need managed."

Both are partially right. Both are partially wrong. The answer depends on your specific situation.

Here's the problem: Everyone quotes infrastructure costs, but hides operational costs. The real math includes:

• Infrastructure (obvious)
• Operations (hidden)
• Staffing (very hidden)
• Opportunities lost while your team fights infrastructure

A company can spend $50K/month less on cloud infrastructure while spending $200K/month more on engineers fighting that infrastructure. That's a net loss of $150K/month.

This article walks through the actual financial calculation.

The Managed Kubernetes Model

Managed Kubernetes (EKS, AKS, GKE, Hikube.cloud) means a cloud provider manages the control plane.

What's included:

• Master node management (etcd, API server, scheduler)
• Security updates and patches
• Cluster upgrades
• High availability and disaster recovery
• API access and networking
• Audit logging and monitoring integration

What you still manage:

• Worker nodes (compute)
• Networking configuration
• Storage
• Add-ons (ingress controllers, operators)
• Application deployments
• Monitoring and logging

Cost structure:

• Control plane fee: $72-150/month (depending on provider)
• Worker node compute: $50-500/month per node (depending on instance size)
• Storage and networking: Variable

Total for mid-sized cluster (10 nodes):

• Control plane: $100/month
• 10 worker nodes: $3,000-8,000/month
• Storage/networking/load balancing: $500-1,500/month
• Total: $3,600-9,600/month

The Self-Hosted Kubernetes Model

Self-hosted means you run the entire Kubernetes stack: control plane, worker nodes, everything.

What you manage:

• Master node infrastructure and redundancy
• etcd backup and recovery
• API server security and scaling
• Scheduler configuration
• Worker node management
• All networking
• All storage
• All monitoring

Cost structure:

• Master nodes (3x high-availability): $200-500/month
• Worker node compute: $50-500/month per node (same as managed)
• Storage and networking: Variable
• Software costs (logging, monitoring, backup): $500-2,000/month
• Staff to manage it: $1 engineer minimum, usually 1.5-2

Total for mid-sized cluster (10 nodes):

• Infrastructure: $3,500-9,000/month
• Additional software: $500-2,000/month
• Staff: $1 FTE engineer ($80,000/year = $6,700/month)
• Total: $10,700-17,700/month

Plus opportunity cost (engineer time could have been spent on product features).

The Real Decision Matrix

Here's what actually determines whether to go managed or self-hosted:

The key insight: This is not primarily a cost decision. It's a team capacity decision.

The Hidden Costs of Self-Hosted

Everyone sees the infrastructure cost difference. Few account for all the hidden costs.

1. Redundancy and High Availability

Managed Kubernetes gives you HA as standard. Self-hosted requires you to build it.

Self-hosted HA setup:

• 3 master nodes for etcd quorum: $300-500/month
• Load balancer for API server: $100/month
• Secondary DNS server: $50/month
• Network redundancy: $200/month
• Total: $650-850/month additional

This is usually not included in "self-hosted" cost estimates.

2. Disaster Recovery and Backups

Managed services have backup and recovery built in. Self-hosted requires you to implement it.

What you need:

• etcd backup automation: Development time (1-2 weeks)
• Backup storage (separate region): $100-300/month
• Restore testing (quarterly): 2-3 days per quarter
• Disaster recovery runbooks: Development time (1 week)

Cost: $2,000-5,000 one-time, $300-500/month ongoing

3. Security and Compliance Updates

Kubernetes releases security updates constantly. Managed services patch automatically. Self-hosted requires you to:

• Monitor security advisories
• Test patches in staging
• Plan upgrades
• Execute upgrades
• Verify no breakage

Estimate: 2-3 days per quarter = 1 week/year = $2,000/year

4. Monitoring, Logging, and Observability

Managed services integrate with cloud provider monitoring. Self-hosted requires separate tooling.

What you need:

• Prometheus for metrics: Development and maintenance (1 week setup, 2 days/quarter maintenance)
• ELK or similar for logging: Development and maintenance (2 weeks setup, 4 days/quarter)
• Alerting and paging: Integration work (1 week)
• Tracing infrastructure: Development (1-2 weeks)

Cost: $5,000-10,000 setup, $1,000-2,000/month for tools and staff

5. Networking and DNS

Managed Kubernetes simplifies networking. Self-hosted requires complex network management.

What you need:

• Custom CNI configuration: Development time (1 week)
• Network policies: Development time (1 week)
• Ingress controller: Setup and management (1 week setup, 2 days/quarter)
• Service mesh (if needed): Development time (2-4 weeks)

Cost: $3,000-8,000 one-time

6. Storage Management

Managed services provide integrated storage. Self-hosted requires you to manage storage.

What you need:

• NFS or SAN infrastructure: $500-2,000/month
• Persistent volume management: Development time (1 week)
• Backup and recovery for stateful data: Development time (2 weeks)

Cost: $500-2,000/month + development time

The Staffing Reality

The single biggest hidden cost of self-hosted Kubernetes: People.

A realistic self-hosted staffing model:

You might argue, "Our engineers can learn Kubernetes and self-host it." That's technically true. But:

• Learning curve is 2-3 months to basic competency
• Full competency (handling all edge cases) is 1-2 years
• During learning, your team can't work on product

That $160,000/year in staff costs should be included in any self-hosted ROI calculation.

The Actual Cost Comparison

Let's build a realistic financial model for two scenarios:

Scenario 1: Managed Kubernetes (AWS EKS)

Control plane: $120/month
10 m5.large nodes: $7,200/month
Load balancers: $300/month
Storage/networking: $500/month
Monitoring integration: $200/month
Staff (0.2 FTE for administration): $16,000/year
Total annual cost: $109,440
Cost per node: $9,944/year

Scenario 2: Self-Hosted Kubernetes

Infrastructure:
- 3 master nodes (m5.large): $2,160/month
- 10 worker nodes (m5.large): $7,200/month
- Load balancer: $100/month
- Storage: $500/month
- Networking: $200/month

Software/Tools:
- Monitoring and logging: $1,500/month
- Backups and DR: $300/month
- Licenses: $200/month

Staff (2.0 FTE):
- Annual cost: $160,000/year

Total annual cost: $230,160
Cost per node: $20,887/year

The math: Managed Kubernetes costs 47% of self-hosted for this scenario.

When Self-Hosted Actually Wins

There are specific situations where self-hosted is genuinely better:

1. You Have Existing Kubernetes Expertise

If you have a team with 5+ years of Kubernetes experience, self-hosting overhead is lower. You already know the hard parts.

Cost advantage: 20-30% savings possible

2. Multi-Cluster at Scale

If you run 10+ clusters, per-cluster managed Kubernetes fees add up.

Example:

• Managed: 10 clusters × $12K/year = $120K/year in control plane fees
• Self-hosted: Amortized over 10 clusters, control plane staff is 0.5 FTE instead of 2.0 FTE

Cost advantage: Maybe 10-15%

3. Extreme Cost Sensitivity with Minimal Complexity

If you run simple workloads (stateless, low scale), self-hosting overhead is lower.

Example: 5-node cluster running simple containerized apps

• Managed: $30K/year
• Self-hosted: $80K/year (includes staffing but lower complexity)

Still more expensive, but gap narrows

4. Special Compliance Requirements

Some regulated industries require complete control over infrastructure.

Cost: Compliance value justifies self-hosting

The "Hybrid" Approach: Managed for Most, Self-Hosted for Special Cases

Many large organizations use both:

Use managed Kubernetes for:

• General application workloads
• Development and test clusters
• New projects
• Services without special requirements

Use self-hosted (or alternative) for:

• Highly regulated workloads (if compliance demands it)
• Legacy systems already running Kubernetes
• Extreme cost sensitivity (if you can staff it)

Hidora's approach (Swiss context): Hikube.cloud is managed Kubernetes optimized for Swiss data sovereignty requirements. It provides the benefits of managed (HA, backups, updates) while meeting Swiss compliance needs.

This is often better than self-hosting in a Swiss colocation facility (which has the same staffing costs but less operational sophistication).

Making the Decision Framework

Step 1: Calculate your actual staffing costs

• How many engineers would managing Kubernetes consume?
• What else could those engineers build?
• What's the opportunity cost?

Step 2: Calculate infrastructure costs

• Managed: Control plane + compute + storage
• Self-hosted: All infrastructure + redundancy + backup storage

Step 3: Calculate operational software costs

• Monitoring, logging, networking, storage management
• License costs for tools

Step 4: Add compliance and risk factors

• Time to recover from cluster failure
• Regulatory audit effort
• Security review frequency

Step 5: Make the decision If (staffing + operational + infrastructure cost for self-hosted) > (staffing + infrastructure cost for managed), choose managed.

For most organizations with < 5 Kubernetes clusters, managed wins financially.

The Practical Recommendation

Default to managed unless you have:

1. Specific compliance requirement for self-hosting, OR
2. 10+ clusters where per-cluster fees become material, OR
3. Existing Kubernetes expertise (multiple years, multiple engineers)

Special case: Swiss organizations Consider Swiss cloud providers like Hidora/Hikube.cloud if:

• You need Swiss data sovereignty (nLPD compliance)
• Managed Kubernetes cost is acceptable (usually 15-20% premium over global cloud)
• You want the benefits of managed without cloud lock-in

The Swiss premium is often worth it for the compliance certainty and data control.

The Bottom Line

Managed Kubernetes is almost always cheaper than self-hosting when you account for all costs.

The hidden costs of self-hosting (redundancy, backup, security updates, monitoring, staff) usually exceed the control plane fees of managed services.

Self-hosted wins only in specific scenarios:

• You have substantial Kubernetes expertise
• You run at massive scale (10+ clusters)
• You have special compliance needs

For most enterprises: Choose managed, allocate your engineers to building product, and let cloud providers manage infrastructure complexity.

Related reading:

• Cloud Cost Optimization: What Your CFO Wants to Hear
• Choosing a DevOps MSP: What You Really Need to Know

Evaluating Kubernetes options? Hidora specializes in managed Kubernetes for Swiss enterprises: Managed Kubernetes (Hikube.cloud) · Cost Analysis Consulting · Migration Services