this post was submitted on 18 Mar 2026
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Docker

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Compiled my Docker notes focusing on the stuff tutorials usually skip:

  • Compose profiles for dev-only services
  • Healthchecks with depends_on conditions (so services actually wait for each other)
  • Override files for different environments
  • .env auto-loading
  • Cleanup commands to save disk

Plus the daily commands organized by frequency. Nothing revolutionary, just a clean reference.

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