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perf: reduce docker image size#537

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terakoya76 wants to merge 4 commits intoslopus:mainfrom
terakoya76:reduce_docker_image_size
Open

perf: reduce docker image size#537
terakoya76 wants to merge 4 commits intoslopus:mainfrom
terakoya76:reduce_docker_image_size

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@terakoya76 terakoya76 commented Feb 4, 2026

Summary

The Docker image size has become unnecessarily large, so reduce its size.
The small image is preferable especially for the self-hosting in the poor computing environment.

The current image size at 3ed8b12: 4.88GB

This patch reduced the size to 1.23GB through the following changes.

  • node:20 -> node:20-slim: 0.7GB reduction
  • exclude deps for happy-app and happy-cli: 2.9GB reduction

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