Agent auto-builds a custom Dockerfile to optimize new workspace start times
lucasmeijer · x · 2026-09-10
Developer Lucas Meijer is building a feature where a new user arriving with their project triggers an agent that spends a few minutes generating the best custom Dockerfile to optimize workspace start times.
The agent also analyzes the project for secrets you'd probably want to configure—though he notes the UX here is surprisingly tricky to get right.
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