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The new Gemini 3 update changes everything for building AI apps. You can now build full-stack applications with secure authentication, databases, and advanced workflows just by prompting.
In this video, I will show you how to build 3 powerful productivity workflows from scratch: a CRM with a real database, an AI Invoice Analyzer with a finance dashboard, and an automated Invoice Generator that sends emails directly from your app.
This is a complete tutorial on how to use Gemini 3 to build real, usable tools for your business.
✨ *WHAT YOU’LL LEARN IN THIS VIDEO: ✨*
*Workflow 1: CRM + Database (App Foundation)*
* *Prompting the App:* How to generate a custom CRM UI to manage leads.
* *Backend Setup:* A step-by-step guide to setting up Firebase Authentication and Firestore Database.
* *Connecting Gemini:* How to link your AI Studio app to a live database using the SDK.
* *Fixing Logic:* How to prompt correctly to handle deletions and updates securely.
*Workflow 2: AI Invoice Analyzer & Dashboard*
* *Multi-Tab Apps:* Adding an ‘Invoices’ tab to your existing CRM.
* *AI Extraction:* Using Gemini to analyze uploaded PDF/Image invoices and extract data automatically.
* *Analytics Dashboard:* Building charts and graphs to track paid, pending, and cancelled invoices.
* *Fixing Extraction:* How to ensure Gemini extracts the *client’s* info, not yours.
*Workflow 3: Invoice Generator & Email Automation*
* *HTML Template Design:* How to use a separate chat to generate pixel-perfect invoice templates.
* *Invoice Generator:* Building a form that auto-fills your template and saves it to history.
* *Firebase Email Extension:* How to configure the “Trigger Email” extension to send emails from Firestore.
* *Sending Emails:* Adding a “Send Invoice” button that instantly emails your client with the invoice attached.
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⏰ *TIMESTAMPS*
00:00 – Intro: 3 Gemini Productivity Workflows
00:54 – *Workflow 1:* Building the CRM (App Foundation)
02:32 – *Backend Setup:* Firebase Auth, Firestore Database & Security Rules
05:24 – Linking Your Backend to the App in Gemini Canvas
07:28 – How to Prompt Correctly for Deleting Items
08:36 – *Workflow 2:* Building the AI Invoice Analyzer & Finance Tracker
09:59 – *MagicLight AI:* The Best AI Tool for…
11:23 – Building App 2: Uploading & Extracting Invoice Data
15:42 – *Workflow 3:* Building the Invoice Generator & Email Sender
17:24 – Step 1: Generating the HTML Invoice Template with Gemini
18:05 – Step 2: Building the Invoice Generator Form
20:33 – Step 3: Configuring the Firebase Email Extension (SMTP Setup)
22:36 – Step 4: Adding the “Send Email” Feature to Your App
25:28 – Outro & Final Thoughts
#Gemini3 #GoogleAIStudio #Firebase #NoCode #FullStackApp #AIAppBuilder #GeminiAI #Firestore #AIAutomation #BuildWithAI #TechTutorial
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