Use human-readable formats for application and deployment configuration.
Configuration files should be easy for humans to read and edit. YAML and TOML excel here - they use natural syntax without the verbosity of JSON. TOML is preferred for typed languages (Python, Rust) while YAML remains popular in DevOps tools.
"Configuring a Docker Compose file with multiple services, networks, and volumes. YAML's indentation makes the structure clear at a glance."
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