Pathwise

Manuals / Docker for QA / Chapter 3

A · Hands-on · intermediate · ~35 min · Chapter 3 of 4

Debug like a grown-up

exec into containers, check networks, reset volumes without panic.

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Break and fix

Wrong env var or port clash. Diagnose with ps, logs, and inspect.

Break and fixDrag stickies · tap for tips
Study mapDrag stickies · tap for tipsKeep it shortdrag · tap →Name the waitdrag · tap →Scope locatorsdrag · tap →Trace when stuckdrag · tap →One browser firstdrag · tap →Isolate statedrag · tap →Assert the UIdrag · tap →Retry wiselydrag · tap →Seed datadrag · tap →Close the loopdrag · tap →Keep it shortdrag · tap →Name the waitdrag · tap →Scope locatorsdrag · tap →Trace when stuckdrag · tap →One browser firstdrag · tap →Isolate statedrag · tap →Pathwise hackdrag · tap →Break and fixdrag · tap →Try thisdrag · tap →Follow the dashed drag · tap →

Do this now

Document the failure mode and the fix in three bullets.

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Chapter learning outcomes
  • docker exec
  • Networks
  • Volume gotchas

Clear these before you leave