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When you use Ecto’s embeds_one to embed another schema backed by JSONB, Ecto will assign an ID and complain if you try to replace this embeded record without it.

Converting a snake_case map keys to camelCase is a pretty common task in the snake-case-style languages working with the JavaScript frontend. Here are the basics in understanding how you can convert maps to camelCase style in Elixir.

After little trouble with running Docker in Fedora 31 I found myself yet again in a similar situation. This time the DNS inside Docker containers could not resolve github.com hostname.

Phoenix 1.5-rc.0 is out and so I fired up a new app to see what’s LiveDashboard is all about. Something that stood up for me is the Request Logger.

Are you coming to Elixir from another language with an interactive shell? There are a few specific things about Elixir’s interactive shell (IEx) to keep an eye on and make ourselves more efficient. Here they are.