Build a REAL Fitness App with Codex + Supabase (Full Beginner to Advanced Tutorial)

► Grab The Complete Prompt Pack, Exclusive Tutorials & Support:   / jamesnocode   MY COURSES: ► Comprehensive FlutterFlow Training & Private Community: https://masteringflutterflow.com ► Comprehensive Supabase Training & Private Community: https://masteringsupabase.com ► [NEW] Comprehensive BuildShip Training & Private Community: https://masteringbuildship.com TIMESTAMPS 00:00 Intro 00:43 The Tools 01:26 Create a New Codex Project 02:04 Define the App Scope — What’s Included and What’s Not 03:21 Codex Interface 08:54 Pick the Stack With Codex 13:13 Create the Visual Architecture and Entity Architecture 18:31 Plan the Expo Fitness App Build With Codex Before Editing Files 20:40 Scaffold and Launch the Blank Expo App 23:24 Sanity Check 25:01 Stitch Handoff 33:03 Generate MCP or Export Handoff Info and Connect Codex 37:47 Import the Design Direction Into the App 39:42 Create or Select the Supabase Project and Generate a PAT Manually 44:07 Supabase Test 45:52 Configure Supabase Auth and Fitness Data 47:57 Connect the Expo App to Supabase and Auth 51:31 Build Onboarding and Goals 54:50 Build Workout Browsing 56:53 Build Saved Exercises and Favorites 59:05 Build Workout Plans 01:01:38 Build Workout Schedule and Reminders 01:04:03 Build Workout Logging 01:06:04 Build Progress Tracking 01:08:11 Build Plan Adjustments 01:10:14 Add AI Coaching 01:14:05 Debug and Verify the Full Simulator Flow 01:15:29 Run the Final Simulator Demo Pass 01:16:17 Save the Improvement Backlog 01:18:47 Final Thoughts