Using tagged Docker images can be dangerous, but what’s the alternative?
Get a breakdown of Docker tags — the benefits, risks, and mechanics for pinning to digests so that you can regain control of your builds. (more…)
Read more »Introduction to Docker for data science, building a simple Jupyter container
This is the first post on a series covering my findings while exploring containers for Data Science projects. Read more
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Don’t leak your Docker image’s build secrets
In January 2021 CodeCov suffered from a security breach. The mechanism: The [malicious] actor gained access because of an error in Codecov’s Docker image creation process that allowed the actor to extract the credential required to modify our Bash Uploade... (more…)
Read more »Develop in 23 languages using Docker and VS Code
The least invasive way of trying out all popular languages is to run the servicestack/gistcafe Docker image in VS Code's Docker Extension: (more…)
Read more »Using Docker-in-Docker for your CI or testing environment? Think twice
The primary purpose of Docker-in-Docker was to help with the development of Docker itself. Many people use it to run CI (e.g. with Jenkins), which seems fine at first, but they run into many “interesting” problems that can be avoided by bind-mounting the ... (more…)
Read more »Docker Multihost Overlay Networking on DigitalOcean with Swarm and RethinkDB
There have been a lot of good articles popping up lately on the new Docker networking features and how to use them with existing Docker tools. So far, most guides will get you through setting up VirtualBox, which is great for getting started, but nothing ... (more…)
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