Resources: JSON, YAML, and Configuration Files

Interactive Learning

• JSON Formatter & Validator — Paste JSON to validate and format
• YAML Lint — Validate YAML syntax online
• Learn YAML in Y Minutes — Quick YAML reference

Documentation

• JSON.org — Official JSON specification
• YAML.org — Official YAML specification
• AWS CloudFormation Template Reference — YAML/JSON templates for AWS
• AWS IAM Policy Reference — JSON policy structure

Tools

• jq — Command-line JSON processor
• yq — Command-line YAML processor
• VS Code YAML Extension — YAML validation and autocomplete

Further Reading

• The Twelve-Factor App: Config — Why environment variables matter
• AWS Secrets Manager — Managing secrets in production