Blog — page 18 of 38
Modal vs RunPod: Serverless Python or Raw GPU?
Modal sells you a programming model that happens to have GPUs behind it. RunPod sells you GPUs that happen to have a programming model in front of them. Which sentence describes your team decides this, and almost nothing else does.
IP Address Planning for a MicroVM Fleet
Subnet exhaustion is the outage that gives you no warning and then all of it at once. Here's the address math for a microVM fleet, the leak that drained our pool, and the durable allocator that fixed it.
The best Google Cloud Run alternatives in 2026
Nobody leaves Cloud Run because it is bad. They leave because their workload stopped being a request/response container — and Cloud Run's whole model is built around that shape.
The best Gitpod alternatives in 2026
Gitpod taught everyone to expect a dev environment from a URL. Picking a replacement means deciding which half of that promise you actually needed: the ephemerality, or the machine.
The best Amazon RDS alternatives in 2026
RDS is the safe choice, and safe choices get expensive quietly. The alternatives are worth a look — but only if you can name which RDS property you are willing to give up.
The best Coolify alternatives in 2026
Coolify is a genuinely good deal until the single VPS running everything becomes the thing you worry about. Here's what to move to, and when moving is the wrong call.
The best Laravel hosting platforms in 2026
A Laravel app is never just a web process. Queues, the scheduler, storage, and sessions decide which host suits you far more than the price per month does.
The best Bun hosting platforms in 2026
Half the platforms that advertise Bun support use it as a package manager and then run your app on Node. If your code calls Bun.serve, that distinction is your entire deployment.
The best React hosting platforms in 2026
A React SPA is a folder of static files. Everything expensive about hosting one comes from the three things that folder cannot do by itself.
How to deploy a SvelteKit app without Docker
SvelteKit's adapter system means your deployment is decided before you ever pick a host. Get the adapter right and the rest is a Node process on a port.
How to stream command output from a sandbox
A ten-minute build behind a blocking exec call looks identical to a hung one. Streaming is not a nicety; it is how you tell the difference.
How to persist data in a sandbox
Everything you write inside a sandbox disappears when it does. That is the feature. The skill is knowing which of four escape hatches fits the data you actually need to keep.
Building a data clean room on microVMs
An advertiser and a publisher both want the overlap and neither will hand over their rows. A clean room is the machine that computes the answer and then stops existing — which is a much easier thing to build on a microVM than on a promise.
Running academic artifact evaluation on microVMs
An artifact-evaluation reviewer gets a tarball, an install.sh with sudo in it, and two weeks to decide whether a paper's numbers survive contact with a second machine. A snapshotted microVM turns that into a machine you can hand to the next reviewer.
Hermetic Builds and SLSA Provenance on MicroVMs
If the signing key sits on the build runner, every postinstall script in your dependency tree is one curl away from signing whatever it likes. Put the signer outside the guest.
Per-Partner Isolation for B2B EDI and File Integrations
One trading partner changes a field width without telling anyone, their 900MB interchange OOMs the shared worker, and every other partner's overnight run dies with it. Give each partner a machine of their own.
Firecracker Guest DNS Resolution Explained
"It's always DNS" is a cliché precisely because it keeps being true. Inside a Firecracker microVM there is no DHCP server and no resolver — name resolution is entirely something you wire up, bake in, or forget to.
CPU Steal Time in microVMs: Your VM Isn't Slow, It's Waiting
The CPU wasn't slow, it was in a meeting. Steal time is the one number that tells you whether a tenant's slowness is their code, their storage, or your overcommit — here's the mechanism, the misreads, and the fix order.
MicroVM Rootfs Filesystems: ext4 vs XFS vs Btrfs
Almost every argument about "what filesystem should a microVM rootfs use?" is really two arguments wearing one coat. There's the filesystem inside the image, which the guest mounts, and the filesystem on the host, which stores those images and clones them. They have different jobs, different constraints, and they should usually be different filesystems.
AppArmor vs SELinux for sandboxing: what mandatory access control actually buys you
MAC is a second gate on the syscall path that root cannot open from inside the cage. AppArmor names paths, SELinux labels objects, and both narrow what a process may touch. Neither gives the workload its own kernel — which is a different question.
Modal vs Vercel Sandbox for Running Untrusted Code
Modal came from Python-first serverless compute. Vercel Sandbox came from the deploy platform. They meet in the middle at "where do I run code my model just wrote" — and the axis that decides it is almost never the one on the pricing page.
The best Ruby on Rails hosting platforms in 2026
Rails is not a Node app with different syntax. It is a long-lived process, a connection pool with real arithmetic behind it, a background worker, and a migration step that must run exactly once. Platforms differ mostly in how many of those they treat as first-class.
The best Node.js hosting platforms in 2026
Most Node hosting comparisons rank platforms on price and region count. The thing that actually decides it is whether your process is allowed to stay alive between requests.
The best Astro hosting platforms in 2026
Choosing an Astro host is really choosing an output mode. Get that decision right and half the platforms in this list work fine; get it wrong and you'll fight your adapter for a week.