Ravi Sir's Cards › AWS
set -e vs trap ERR
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Errors
set -e
Stop on failure.
trap ERR
Run code on failure.
Key points
Simple, has gaps.
Logs line and cleans up.
Example
set -euo pipefail
Use when
Every script.
Production scripts.