Shell Functions as Lambda: The Complete Journey to Sub-25ms Cold Starts
• skunxicat
From pure Bash to optimized runtime layers: how systematic experimentation led to the perfect architecture for shell-based Lambda functions
Writing on cloudless infrastructure, composable tools, and measured system behavior — plus a few open-source modules worth sharing.
Turn shell scripts into serverless APIs with tiny cold starts and minimal memory. Compose with jq, curl, and http-cli.
S3 + Glue + Athena pipeline for analytics, with SQS→Firehose bridge support for ingestion.
From pure Bash to optimized runtime layers: how systematic experimentation led to the perfect architecture for shell-based Lambda functions
Real-world benchmarking reveals surprising Lambda performance insights: when container images beat ZIP packages and why raw TCP sockets halve cold start times
How to run your Lambda functions locally in an environment identical to AWS using Docker and the Lambda Runtime Interface Emulator
"When you can't control the system, control your interface to it."