Instrument before you polish: why observability comes before features.

In Lesson 4.4 of GROW Course 4 (Hardening & Shipping), Doug Liles works through it with you. An instrument-first prototyping order that pays off at Day-2.

What you'll take away

- Instrument-first principle

- What to measure

- Wiring telemetry early

Chapters

(0:00) Cold open & the promise

(7:30) Instrument-first principle

(15:01) What to measure

(22:31) Wiring telemetry early

(30:02) Avoiding polish traps

(37:32) Reading the signal

(45:03) The artifact & what to do Monday

Study guide, slide deck, blog companion, infographic (free)

- https://fde.goodcombinator.ai/lessons/FDE_Lesson_4_4

Audio companion is AI-narrated using NotebookLM. Explainer video is human-produced.

Public release

This full FDE Certification audio lesson is available publicly as part of GROW by Good Combinator.

Continue in GROW Skills Library: https://goodcombinator.com/grow/library

Episode metadata

Show: GROW by Good Combinator

Course: Course 4 - Hardening & Shipping

Lesson: 4.4

Season/Episode: 4/4

Runtime: 52:34

Access label: public-full-lesson

Source channel: spotify

Source audio: app/lessons/assets/course-4/4.4/4.4 audio podcast.m4a

Taxonomy: Domain=Reliability & Shipping; Career stage=Senior FDE; Skill level=Advanced; Asset type=Lesson; Outcome=Ship

CRM events: course_started, lesson_completed, cert_enrolled

Transcript and accessibility

Final transcript required before launch: https://goodcombinator.com/grow/courses/course-4/lesson-4.4/transcript

Accessibility requirement: reviewed audio, clear title, descriptive show notes, and transcript availability before launch.

Audio companion is AI-narrated using NotebookLM and disclosed here.

Credits

Host: Doug Liles

Producer: Good Combinator

Audio: NotebookLM AI narration (disclosed)