What is Northflank

Kubernetes Architecture Diagram

Northflank is a deployment platform that tries to make Kubernetes not completely terrible. Been around since like 2019, and they basically handle all the shit you don't want to deal with so you don't have to become a kubectl wizard.

Look, K8s is powerful but holy hell is it complex for just wanting to deploy a web app. Last time I tried setting up a simple Node.js app on raw Kubernetes, I ended up with 30+ YAML files and a drinking problem. Northflank just gives you a UI that doesn't make you want to quit programming.

Two ways to use it: let them manage everything on their cloud, or install it in your own AWS EKS, Google GKE, or Azure AKS so the compliance team stops breathing down your neck. Both work basically the same way, which is nice because you won't have to relearn everything when you inevitably need the BYOC option later.

How This Shit Actually Works

BYOC Architecture Diagram

Their Managed Cloud: They run everything. You push code, it deploys. That's it. No getting paged at 2am because you forgot to set up disk monitoring.

Bring Your Own Cloud (BYOC): Install their control plane in your existing AWS EKS or whatever cluster you already have. Same interface but everything stays in your account. Good for when your legal team has trust issues with external platforms.

Why People Actually Use This

Most deployment platforms make you configure the same shit three different ways. Northflank actually works out of the box. Push your Docker image, it handles HTTPS and domains and doesn't crash when someone hits refresh.

AI/ML Deployment Pipeline

Biggest win is for AI/ML teams. You can just upload a Hugging Face model and get an API endpoint without spending two weeks learning how ingress controllers work. I tried doing this on raw EKS once and gave up after the third day of troubleshooting certificate issues.

Reality check: This costs more than raw AWS if you're running a bunch of stuff 24/7. But way cheaper than hiring someone who actually knows Kubernetes. Plus, with raw K8s you'll spend so much time debugging networking issues you'll never actually ship anything.

Northflank vs. Other Deployment Platforms (Real Talk)

Feature

Northflank

Heroku

Vercel

AWS ECS

Railway

Deployment

Managed + BYOC

Managed only

Managed only

Do it yourself

Managed only

Learning Curve

Medium

Easy

Easy

Terrible

Easy

GPU Support

Actually works

Nope

Nope

Good luck

Nope

Databases

Built-in

Expensive add-ons

Bring your own

RDS nightmare

Works fine

Preview Environments

Auto + persistent

Costs pile up

Great for frontend

Build it yourself

Pretty good

Multi-Cloud

AWS, GCP, Azure

AWS only

AWS only

AWS only

GCP only

When Shit Breaks

Decent support

OK support

Frontend focus

Stack Overflow

Small team

Real Price

Free tier limits

~$7/mo

Free for hobby

~$20/mo easy

~$5/mo but scales fast

What Actually Works (And What Doesn't)

Deployment Interface

Build System That Doesn't Suck

The CI/CD system works with GitHub, GitLab, whatever you use. Push to main, it builds and deploys. Push to a branch, you get a preview environment. Pretty standard stuff.

What works: Docker layer caching is decent. Builds are usually faster than GitHub Actions, though not by much. Maybe saves you a few minutes per build, which adds up.

What pisses me off: Builds randomly hang sometimes and you have to restart them manually. Happened to me last week - build was stuck for 20 minutes on npm install with no error message. Just sitting there doing nothing. The build logs are also a mess - 500 lines of output and your actual error is buried somewhere in the middle.

Gotchas I learned the hard way: Multi-stage Dockerfile caching is unpredictable. Sometimes it uses old layers when you've changed dependencies. ARM64 builds take forever. And don't even think about builds that need more than 4GB RAM on the free tier - they'll just die with no explanation.

Container Registry: They have one built-in with vulnerability scanning. Works fine, but nothing special. You can also use Docker Hub, AWS ECR, Google Container Registry, or Azure Container Registry if you prefer external registries.

Three Ways to Run Your Code

Services: Regular web apps and APIs. Auto load balancing, health checks, the usual suspects. Scaling works but can take 30-60 seconds to spin up new instances during traffic spikes.

Jobs: Cron jobs and one-time tasks. Great for AI training, data processing, database migrations. Retry logic is solid - actually retries failed jobs instead of just dying silently like some platforms.

Addons: Managed databases - PostgreSQL, MySQL, MongoDB, Redis. Automated backups work (tested this the hard way), point-in-time recovery is clutch when someone runs DELETE FROM users in prod.

PostgreSQL Database Redis Cache

Scaling Reality Check

Datacenter Infrastructure

Autoscaling: CPU and memory-based scaling that mostly works. Scales down to zero to save money, scales up when traffic hits. Scale-up isn't instant (30+ seconds) so don't expect it to handle sudden load spikes perfectly.

Resource Plans: Start at tiny instances for testing stuff, go up to beefy ones if you need them. Per-second billing is nice - you're not stuck paying for a full hour when your job runs for 5 minutes.

GPU Support: This is where they actually don't suck. Getting GPU support on other platforms is usually a nightmare. Here it actually works. H100s run about $2.50-3/hour, A100s are cheaper but still pricey. Don't leave them running overnight or you'll get a nasty surprise on your bill.

I tested a 70B model on an H100 and got around 15-20 tokens per second, but your mileage will vary based on batch size and other stuff. A100s are slower but still decent. Cold starts suck though - takes forever to load big models.

The catch: GPUs are hard to get during peak hours. I've waited 15+ minutes for an H100 to become available. And yeah, they're expensive as hell. I accidentally left one running over the weekend once and it cost me like $400. Use spot instances if you can handle interruptions - saves a ton of money.

Questions People Actually Ask

Q

Is this another Heroku clone or actually different?

A

Pretty different. The BYOC thing is actually useful

  • you can run it in your own AWS account so you're not locked into their platform. Plus they have GPUs, which Heroku still doesn't. Pricing is more flexible too since you pay per second instead of monthly plans.
Q

How expensive is this really?

A

Depends how much you hate dealing with infrastructure. Cheaper than Heroku, way more expensive than raw AWS if you actually know what you're doing. Free tier is decent for side projects. Real apps probably cost $100-300/month unless you're doing GPU stuff, then it gets expensive fast.My rule of thumb: if you're spending more than $500/month, just hire someone who knows Kubernetes. Below that, platforms like this save you enough time to be worth it.

Q

Do I need to learn Kubernetes?

A

Nope. That's the point. You push code, they handle the K8s bullshit. But if you want to kubectl into your pods for debugging, you can. Best of both worlds unless you're a control freak who needs to manage every YAML file.

Q

Any gotchas with AI/ML workloads?

A

GPU availability sucks during peak hours.

I've waited 20+ minutes for an H100 before. Model loading on first boot is painfully slow

  • big models take forever to load from cold storage.Real gotchas: If your model runs out of GPU memory, the whole pod dies and you start over from scratch. Happened to me trying to load a 70B model on an A100
  • just instant death, no graceful handling. Storage between training and inference is also weirdly complicated.
Q

Will this work for enterprise/big companies?

A

Probably.

They have SAML, RBAC, audit logs, SOC 2 compliance

  • all the enterprise checkbox stuff.

Companies like Sentry actually use it in production. BYOC helps with compliance since everything runs in your cloud account.

Q

What if my app isn't dockerized?

A

You're gonna need to dockerize it. They support Cloud Native Buildpacks for some languages (Node.js, Python, etc.) so you might not need a Dockerfile, but it's still containers under the hood. Not a huge deal but adds a migration step.

Q

Do preview environments actually work?

A

Yeah, pretty well. Every PR gets its own environment with a real URL. Includes databases and dependencies, not just the frontend. They auto-delete when you close PRs which saves money. Better than most platforms honestly.

Q

What about monitoring and logs?

A

Basic but functional. Real-time logs with decent search, CPU/memory metrics, health checks. 30-day retention. Alerting works with Slack/email/Discord. Not as fancy as DataDog but covers most use cases. You can send logs elsewhere if you need more.

Q

How painful is migration from other platforms?

A

Not terrible if you're using Docker already. From Heroku it's pretty straightforward

  • took me a weekend to migrate a Rails app. From Railway it was like 2 hours for a simple Node.js service.Migrating from AWS ECS was more of a pain because we had a bunch of AWS-specific stuff to untangle. Raw K8s migration depends on how weird your setup is
  • could be easy or could take months.The real pain is always env vars and secrets. I spent more time copying environment variables than actually migrating the app.
Q

Any security issues I should know about?

A

Standard stuff

  • auto HTTPS, secret management, vulnerability scanning. BYOC deployments inherit your cloud's security controls. No major breaches that I know of. IP allowlists work if you need to lock things down. SOC 2 compliant if that matters to you.

Who Actually Uses This in Production

Enterprise Deployment Architecture

Companies That Don't Hate It

Sentry: They use it because it's easier than managing their own infrastructure. Makes sense - they want to focus on building Sentry, not babysitting Kubernetes clusters.

Writer: AI writing platform that needed GPU support without hiring a whole DevOps team. The BYOC thing helps keep enterprise customers happy since their data stays in their own cloud.

Some AI startup (I forget the name): Running thousands of training jobs daily with just two engineers. Either their workloads are super simple or Northflank's autoscaling actually works. Probably a bit of both.

Where This Actually Makes Sense

AI/ML Startups: If you need GPUs and don't want to become a Kubernetes expert, this is basically your only good option. Deploy Hugging Face models, run training jobs, scale inference endpoints. Works better than trying to wrangle EKS yourself.

SaaS Companies: Multi-tenant apps that need isolation between customers. Preview environments for every feature branch so your QA team doesn't hate you. RBAC and audit logs for when compliance auditors show up.

Small Engineering Teams: When you have 3-5 engineers and one of them reluctantly handles DevOps. Eliminates most of the infrastructure headaches so you can focus on building features instead of debugging ingress controllers.

The Compliance Stuff

SOC 2 compliant, which means they've checked the enterprise boxes. Audit logging tracks who deployed what when, which is useful when that production outage happens and everyone points fingers.

BYOC for the Paranoid: If your legal team insists data can't leave your AWS account, the BYOC model actually works. Same interface, same features, but everything runs in your VPC so the compliance people can sleep at night.

Most companies use this because they're tired of dealing with infrastructure, not because they love paying extra. But hiring a good DevOps engineer costs $150k+ and you still need them to not quit or take vacation. Sometimes the platform fees are just less painful.

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