The Art & Joy of Testing in Production

This course explains how to test software in production for earlier feedback, faster releases, better quality, and greater control over application behavior. It covers deployment and release separation, integration and load testing, traffic comparison, canary releases, feature flags, and resilience testing.

Syllabus

Intro
IS YOUR PRODUCTION ENVIRONMENT WORKING RIGHT NOW? DO YOU KNOW?
WHEN WAS THE LAST TIME YOU RELEASED TO PRODUCTION? HOW DID YOU CHECK IT WAS SAFE?
STAGING ENVIRONMENTS FALSE SENSE OF TRUST
STAGING ENVIRONMENTS - FALSE SENSE OF TRUST FOCUS ON TRUSTING PRODUCTION
STAGING ENVIRONMENTS EXPENSIVE
STAGING ENVIRONMENTS NATURAL HANDOVER POINT
STAGING ENVIRONMENTS BOTTLENECK
VERIFY IN PRODUCTION
USER SYNC SERVICE
E-COMMERCE
NEW VIEW ON TESTING
TESTING IN PRODUCTION SPLIT DEPLOY & RELEASE
INTEGRATION TESTING
TAP COMPARE
LOAD TESTING
CONFIG TESTING
CANARY RELEASES
FOCUSSED CANARIES
RING BASED RELEASES
FEATURE FLAGS
IMPACTED USERS?
FOCUS ON RESILIENCY
RECAP