TOML, INI, .env and the Rest: Which Configuration Format When?
Choose by who reads the file: if .NET is the only reader, JSON and environment variables are enough; if several tools read the same .env, write it in the strictest common subset. We read one .env with Compose, Node.js, dotenv, python-dotenv and bash, one INI with .NET, Python and git, and show the differences, TOML 1.1's date types and Bookstore.Api's setting in five formats becoming one configuration.
15 Nov 2026
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12 min
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7
