[Course 3 Lesson 3.3] FastAPI Backend - GROW by Good Combinator

Stand up a production FastAPI backend for an agent service.In Lesson 3.3 of GROW Course 3 (Production Agentic Systems), Doug Liles works through it with you. A working FastAPI backend pattern you can extend into a real service.What you'll take away- Why FastAPI- Project layout- Routing and validationChapters(0:00) Cold open & the promise(6:00) Why FastAPI(12:00) Project layout(18:00) Routing and validation(24:01) Auth and middleware(30:01) Deploy notes(36:01) The artifact & what to do MondayStudy guide, slide deck, blog companion, infographic (free)- https://fde.goodcombinator.ai/lessons/FDE_Lesson_3_3Audio companion is AI-narrated using NotebookLM. Explainer video is human-produced.Public releaseThis full FDE Certification audio lesson is available publicly as part of GROW by Good Combinator.Continue in GROW Skills Library: https://goodcombinator.com/grow/libraryEpisode metadataShow: GROW by Good CombinatorCourse: Course 3 - Production Agentic SystemsLesson: 3.3Season/Episode: 3/3Runtime: 42:02Access label: public-full-lessonSource channel: spotifySource audio: app/lessons/assets/course-3/3.3/3.3 audio podcast.m4aTaxonomy: Domain=Production Agentic Systems; Career stage=FDE; Skill level=Intermediate; Asset type=Lesson; Outcome=BuildCRM events: course_started, lesson_completed, cert_enrolledTranscript and accessibilityFinal transcript required before launch: https://goodcombinator.com/grow/courses/course-3/lesson-3.3/transcriptAccessibility requirement: reviewed audio, clear title, descriptive show notes, and transcript availability before launch.Audio companion is AI-narrated using NotebookLM and disclosed here.CreditsHost: Doug LilesProducer: Good CombinatorAudio: NotebookLM AI narration (disclosed)