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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.

Expert8 lessons~7h
0/8 complete

Course content

Safety Rails

  • ○set -euo pipefail & errexit20 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