How to Patch Any Monospace Font with Nerd Fonts Using Docker

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A developer wanted to add PowerLine glyphs to Operator Mono, their preferred monospace font, which lacks these symbols by default. PowerLine glyphs enhance terminal status lines and shell prompts with version control indicators. Using the Nerd Fonts patcher tool, the developer ran a Docker container to generate a patched version of the font. The process involved mounting the original font directory as input and a new directory as output within the Docker command. The result was a custom Nerd Font variant of Operator Mono with full PowerLine and extra symbol support.

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