40 articles tagged with "docker"
Liveness, readiness, and startup probes are the unsung heroes of Kubernetes reliability — and also the source of some truly spectacular 3 AM incidents. Here's how to stop your cluster from killing healthy pods and serving traffic to broken ones.
Your Docker images are the size of a small planet, and you're shipping your build tools, dev dependencies, and maybe even your lunch to production. Multi-stage builds are the diet plan your containers desperately need.
Your Docker image is the size of a small country's GDP in bytes. Multi-stage builds are the diet plan it never knew it needed — and your CI pipeline will thank you.
The classic excuse that haunts every engineering team. Your laptop runs the app flawlessly; production explodes on deploy. Docker Compose is the cure — if you wire it up correctly. Let's build a local environment so tight that 'it works on my machine' becomes a flex, not an apology.
GitHub Actions can go from a 20-minute flaky nightmare to a 3-minute green machine. Here are the tricks seasoned DevOps engineers don't always share.
Your Docker image is 2.4 GB. Production is crying. Your SRE is crying. The cloud bill is crying. Let's fix that with multi-stage builds — the single best Docker trick most developers skip.
Your Docker image is 1.4GB. Production doesn't need your node_modules, your compiler, or the entire Ubuntu kitchen sink. Here's how multi-stage builds shrink that to under 100MB — and make your team actually happy.
Your Docker image is 2GB and your app is 20MB. Something has gone terribly wrong. Learn how multi-stage builds let you build fat, ship thin, and stop embarrassing yourself in production.
Your Docker images are probably 10x bigger than they need to be. Multi-stage builds are the single easiest win in container optimization — and most developers skip them entirely. Here's how to fix that today.
GitHub Actions is the Swiss Army knife of CI/CD — and like a Swiss Army knife, most people only ever use the scissors. Here are the tips that'll transform your 20-minute pipelines into lean, mean, green-checkmark machines.
Your Docker images are carrying around build tools, dev dependencies, and half a Node.js ecosystem that your app never needs at runtime. Multi-stage builds are the diet your containers deserve.
Your Docker image is not a suitcase — you don't need to pack everything in it. Learn how multi-stage builds can slash your image size by 97%, speed up deployments, and make your ops team actually like you.
Your Docker image is 4GB. Production is crying. Your ops team has filed a formal complaint. Let's fix that with multi-stage builds — the Marie Kondo method of containerization.
Ever had a Kubernetes node go dark because one rogue pod decided it deserved ALL the memory? Resource requests and limits are the seatbelts of K8s — boring until they save your life. Here's how to actually set them correctly.
Your Docker image shouldn't weigh more than a car. Learn how multi-stage builds slash image sizes from gigabytes to megabytes — and why your production container has no business knowing what a compiler is.
Your Docker image doesn't need a compiler, 47 dev dependencies, and the ghost of npm install past. Let's talk multi-stage builds and how they'll shrink your containers from \"moving truck\" to \"carry-on luggage\".
Your Docker image weighs 2GB but your actual app is 20MB. Sound familiar? Multi-stage builds are the diet plan your containers desperately need — no gym membership required.
Your Docker image shouldn't weigh more than your laptop. Learn how multi-stage builds can shrink 1.2GB bloated containers down to lean 80MB production images — and why your ops team will finally stop giving you the side-eye.
You wouldn't pack your entire garage into your suitcase for a weekend trip. So why are you shipping compilers, dev dependencies, and build tools to production? Let's fix that with Docker multi-stage builds.
I once deployed a Node.js app with no resource limits to a shared cluster. It leaked memory overnight and took down 12 other services by 9 AM. Here's what I learned so you don't repeat my Monday morning.
Spent a whole Sunday debugging why 30% of user requests returned 502 errors — turns out our pods were 'Running' but completely brain-dead. Kubernetes health probes would have caught it in seconds. Here's everything I wish I'd known.
Your Docker images are probably enormous, and you don't even know why. Multi-stage builds are the diet plan your containers desperately need — cut image size by 90%, ship faster, and stop embarrassing yourself in production.
Your pod says it's Running. Your users say the app is down. Kubernetes probes are the lie detector your cluster desperately needs — here's how to wire them up correctly.
Skipping resource limits in Kubernetes is like driving without a seatbelt — fine until it isn't. I learned this the hard way when one rogue pod starved the entire cluster at 2 AM. Here's what I wish I knew sooner.
Your pod keeps dying with OOMKilled and you have no idea why? After getting paged at 3 AM more times than I care to admit, I learned that Kubernetes resource limits aren't optional — they're the difference between a stable cluster and a cascading meltdown.
CI/CD pipelines are supposed to make your life easier. So why does every team have at least one war story about a 3am deployment gone wrong? Here are the real-world lessons that will save your weekends.
Your Kubernetes pod crashed but it's still getting requests? After watching production apps silently die while Kubernetes kept routing traffic to them, I finally understood liveness and readiness probes - and you need them too.
Your Docker image shouldn't weigh more than a car. Learn how multi-stage builds let you ship lean, mean containers without the build-time baggage — no PhD in Dockerfile sorcery required.
Your Docker images are probably way too fat. Learn how multi-stage builds let you compile, test, and ship lean production images — without the 2GB bloat that comes from dragging your build tools into production.
Your pods are vanishing into thin air, your logs say OOMKilled, and your on-call rotation is a nightmare. Let's fix that — with resource limits you'll actually understand.
Your cluster is running slow, nodes are OOMKilled at 3am, and nobody knows why. Spoiler: it's your pods with no resource limits set. Here's how to fix it before your on-call rotation turns into a nightmare.
Your Docker image is 2GB and you're shipping a Node.js app. Something has gone terribly wrong. Multi-stage builds are the cure — let's shrink that beast down to something you'd actually want to run in production.
Your Docker images are bloated, slow, and carrying more baggage than a European backpacker. Multi-stage builds are here to put your containers on a diet — without the suffering.
Shipping a 2GB Docker image to production because it has the full Node.js dev toolchain, test runners, and your lunch order from 2019 is not a personality. Multi-stage builds are here to save you from yourself.
Your Docker image doesn't need gcc, npm, and the entire internet to run a Node.js app. Multi-stage builds let you build fat, ship lean — here's how to stop deploying a 1.2GB monster when 80MB will do.
Your Docker image doesn't need gcc, npm, and three years of build cache to run a Node.js app in production. Multi-stage builds let you keep the build mess out of your final image — here's how to actually use them.
Your Docker images are bloated, your attack surface is massive, and your CI pipeline cries every time it pushes 2GB to a registry. Multi-stage builds are the cure — and they're easier than you think.
Skipped setting resource requests and limits? Your cluster is a ticking time bomb. After watching production nodes get OOM-killed at 3am, I learned the hard way - here's how to set sane limits before your pods eat each other alive.
Your Docker images are too fat. Like, embarrassingly fat. We're talking 1.2GB images to serve a 'Hello World' endpoint fat. Multi-stage builds are the diet plan your containers desperately need.
Your Docker images are too fat. Like, embarrassingly fat. Let's fix that with multi-stage builds and shrink those containers from gigabytes down to megabytes.