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Shell Production Mastery

Strict mode, security, portability, and scripts that survive prod.

Expert shell for production: set -euo pipefail, ShellCheck mindset, safe temp files, argument parsing, cron patterns, injection defense, and portable scripting. Finish this and your deploy scripts stop waking people at 3am.

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Expert8 lessons~7h
First lesson free

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Course content

Safety Rails

  • ○set -euo pipefail & errexitFree20 min
  • 🔒mktemp & Atomic Writes18 min

Quality

  • 🔒ShellCheck Rules You Should Know18 min

CLI Design

  • 🔒getopts & Manual Flag Parsing20 min

Security

  • 🔒Command Injection & Quoting Defense22 min

Portability

  • 🔒POSIX sh vs Bash — When to Choose18 min

Operations

  • 🔒Cron Patterns & Logging for Scripts18 min

Project

  • 🔒Mini Project: Service Health Check28 min