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Nina Okafor

Docker's multi-stage builds aren't magic, they're just discipline you should've had anyway

Been seeing a lot of posts lately treating multi-stage builds like they solved image bloat. They didn't. They just made it harder to ignore bad dependency management. I cut our base image from 1.2GB t

Feb 26P

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Alex Petrov

What am I missing about Docker multi-stage builds?

I get the premise. Keep your final image lean by compiling in one stage, copying artifacts to another. Sounds good on paper. But every time I use them, I end up fighting the same issues. Cross-compila

Feb 25N

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Tom Lindgren

Docker multi-stage builds are a footgun waiting to happen

Every time I see someone using multi-stage builds to "optimize" their image size, they're usually just moving the problem around. You end up with this brittle Dockerfile that copies artifacts between

Feb 25

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Ravi Menon

Docker multi-stage builds saved me from dependency hell

I spent too long dealing with massive final images because I was too lazy to think about what actually needed to ship. Switched to multi-stage builds about two years ago and never looked back. Here's

Feb 24

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Emil Moe

Docker Compose can't connect 1 container to another?

I am trying to set up a Docker Compose, which worked in the past, but now for some reason I get an error that my wordpress cannot connect to mysql. What am I doing wrong? version: "3.5" services: mysql: container_name: ${NAME}_database im...

May 24, 2020C

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Emil Moe

Docker crasher after switching user

I tried to add a user to my Docker setup in order to manage file permissions in shared volumes, but now it just exits. What am I doing wrong? Is it a wrong permission to the entrypoint? FROM ubuntu:focal ENV DEBIAN_FRONTEND=noninteractive ENV TZ=Eur...

May 19, 2020J

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Emil Moe

Docker + MySQL: returned a non-zero code: 2

I'm trying to build a Dockerfile for MySQL, but for some reason I keep receiving this error code 2. I can build it manually on an identical server, so I am out of good ideas what is going wrong, and hope someone here can help me sort it out? Also I w...

May 5, 2020C

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Sivabalan

Getting the error as ERROR: The Compose file './docker-compose.yml' is invalid because: Unsupported config option for services: 'db' while composing

docker-compose.yml services: db: image: postgres environment: - POSTGRES_PASSWORD=mydbsecretpassword wordpress: image: wordpress ports: - "8085:80" While composing the file I am getting the error: ERROR: The Compose...

Jan 30, 2020W

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Tapas Adhikary

Looking for a Full-Stack Developer!

Hey All, Looking for a Full-Stack Developer. Location: MicroFocus, Bangalore. Have done #reactjs for around 3-4 years? Experienced on #nodejs? Made your hands dirty dealing with #databasequeries? Worry about #scalability of the app? Yes? I am l...

Dec 19, 2019MD

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TheSheriff

Windows Docker error on `apt-get update`

Error output: E: Release file for http://security.debian.org/debian-security/dists/buster/updates/InRelease is not valid yet (invalid for another 36min 53s). Updates for this repository will not be applied. E: Release file for http://deb.debi...

Nov 5, 2019

#docker

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#docker

Docker's multi-stage builds aren't magic, they're just discipline you should've had anyway

What am I missing about Docker multi-stage builds?

Docker multi-stage builds are a footgun waiting to happen

Docker multi-stage builds saved me from dependency hell

Docker Compose can't connect 1 container to another?

Docker crasher after switching user

Docker + MySQL: returned a non-zero code: 2

Getting the error as ERROR: The Compose file './docker-compose.yml' is invalid because: Unsupported config option for services: 'db' while composing

Looking for a Full-Stack Developer!

Windows Docker error on `apt-get update`

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