CODEX FULL COURSE: From Zero to Deployed App (2026)v

Wanna learn how to code with AI? Go here: https://www.skool.com/new-society Follow me on Instagram - https://www.instagram.com/davidondrej1/ Follow me on Twitter - https://x.com/DavidOndrej1 AgentZero: https://github.com/agent0ai/agent-zero Subscribe if you're serious about AI. Master Codex in 2026 with this ultimate guide. My AGENTS.MD: https://gist.github.com/davidondrej/3c590b1db96443ccd66220c5d88620b9 www.vectal.ai Timestamps: 00:00 - Introduction: The Power of Codex 00:49 - Course Roadmap: From Fundamentals to Advanced Deployment 01:26 - Setting Up Codex: The One-Liner Installation 02:22 - Subscriptions & Plans: Choosing the Right Model 03:40 - Authenticating Your Account 04:28 - Exploring the Codex CLI (Command Line Interface) 04:59 - Troubleshooting: Node.js Installation 05:35 - Real-World Examples: What You Can Build with Codex 07:23 - Selecting AI Models & Reasoning Effort Settings 09:15 - Navigating Directories: Launching Codex in Specific Folders 12:32 - Creating the "Agents.md" System Prompt File 16:04 - Project Build: Designing a Face Transformation App 19:47 - Pro Tip: Using Image Input for Better Context 21:13 - Using the Web Search Tool for Research 25:00 - One-Shotting an MVP: Designing the Web App 27:31 - Doubling Speed with "Fast Mode" 28:42 - Setting Up an IDE: Installing Cursor 34:34 - Running Codex in "YOLO Mode" for Permissions 38:30 - Using the Codex VS Code Extension 41:41 - Integrating Google’s Nano Banana 2 Model 43:50 - Version Control: Git & GitHub Integration 46:30 - Advanced Debugging & Prompt Engineering Techniques 1:04:46 - Deployment: Hosting Your App on Vercel 1:09:26 - Understanding Sandbox Modes & Approval Policies 1:14:37 - The Codex Desktop App: Multi-Agent Management 1:19:08 - Leveling Up with Skills & Plugins 1:21:45 - Automations: Cron Jobs for AI 1:22:48 - Dispatching Sub-Agents (Workers) 1:23:32 - Conclusion & Final Resources