32 articles tagged with "containers"
-v /var/run/docker.sock:/var/run/docker.sock is the most casually-copy-pasted line in every CI tutorial on the internet. It's also functionally a root grant to your host. Let's talk about why, and what to do instead.
Every FROM line in your Dockerfile is a trust decision you probably made without thinking. Here's why 'it pulled and it ran' is not the same as 'it's safe', and how to actually clean up your base image habits.
Your container runs fine locally, then face-plants in prod with 'permission denied' on a volume mount that definitely exists. Welcome to the UID/GID gotcha club — where numbers, not names, decide who owns your files.
Your container isn't as isolated as you think. seccomp and AppArmor create a second wall between your app and the host kernel — here's how to actually use them before your next audit finds out you haven't.
Every time you copy a .env file into a Docker image or run pip install with a private token, you're writing credentials into an immutable layer that anyone with docker history can read. Here's how BuildKit secrets actually fix this.
Your Docker image weighs 2GB and takes 8 minutes to pull. Meanwhile, your actual app is 20MB. Multi-stage builds are the diet plan your containers desperately need.
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.
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.
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.
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.
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 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 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.
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.