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Standards and pitfalls worth knowing before you ship
Base64 turns bytes into ASCII text that anyone can reverse, since there is no key. See what it is for, the URL-safe variant, padding and the 4/3 size overhead.
Text has different byte counts in UTF-8, UTF-16, EUC-KR (CP949) and Shift_JIS (CP932). See the numbers and how to fit VARCHAR and fixed-length records.
GitHub Actions runs cron schedules in UTC by default and Kubernetes uses the controller's time zone. Learn the 5-field syntax, time zone fields and the OR rule.
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