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Flutter Production Level-Up: 3-Stage Build Variants (Flavor) and Environment Switching Without Code Modification

"Still manually changing code every time you switch server addresses?" In production environments, Development (Dev), Staging, and Production (Prod) environments are strictly separated. However, many developers are exposed to deployment risks by manually changing variables in a single main.dart file. This course covers a 'real production-grade architecture' that instantly switches environments simply by selecting a build target, without modifying a single line of code.

2 learners are taking this course

  • survivalcoding
실습 중심
바이브코딩
실무
의존성주입
Flutter
get-it
n8n
dart
Docker

What you will gain after the course

  • Environment-specific independent build and execution capability

  • # Advanced Dependency Injection (DI) Applications Using Get_it <budget:token_budget>199950</budget:token_budget>

  • Creating Your Own Test Environment Without a Server Developer

The standard that divides Flutter proficiency levels,

It's the 'environment separation strategy'

Switch environments using only build targets without modifying a single line of code


Break free from the hassle of manually modifying code and the risk of deployment accidents,
and master systematic environment management using Build Flavors and Get_it.

"If you've built a solid foundation through my previous courses, now it's time to experience 'real-world speed'. No lengthy explanations needed. In 2 hours, your project will be perfectly isolated by environment, ready for deployment with just a single mouse click. Short, but the most efficient course in your development career"

Choose 70 minutes of essential practical skills instead of boring theory

Instead of a lengthy course, you'll master just one technique that you can immediately apply at work: '3-Step Build Separation'.

Flutter, get-it, n8n, Docker usage to
environment-specific independent builds and DI applications - covering practical essentials.


AI(Antigravity) 10-Second Coding

If you have the specifications, Antigravity AI minimizes code typing.

Switch instantly between development, validation, and production environments without modifying a single line of code,
and design the entire process of building your own test server.


'Server-Independent' Development Environment Using n8n and No-code

It's a waste of time to wait for backend developers. I introduce the tools of a 'complete developer' who builds and validates their own Staging server by combining n8n and AI.

Complete your environment setup with pure Dart alone,
and finish with terminal execution in VS Code to complete your practical development experience.

Experience the magic of environment switching
without a single line of code

Section 1 - Understanding the Basics of Build Variants

Understand the necessity of environment-specific build configurations encountered in real-world Flutter development. Learn how to separate development, staging, and production environments without code modifications, and discover how to configure build environments using only Dart without native settings.


Section 2 - Building a Development Environment Using Mock Environment

We quickly build an independent development environment using mock data. We practice how to effectively connect state management and UI using dependency injection (DI) libraries such as GetIt.


Section 3 - Building a Test (Staging) Server Based on n8n

Understand the role of a staging server and build your own testing environment using n8n and Docker. Learn how to integrate APIs on a staging server using Webhook nodes.


Section 4 - Environment Switching Techniques Without Code Modification

Set up the DI configuration required for the staging environment and run the app. Learn how to run the app for each build environment through the terminal, and master environment switching for final checks before actual deployment.


Section 5 - Final Environment Configuration for Production Deployment

We complete the execution configuration for each build environment in VS Code and perform a final check for production deployment.



Are you still manually changing main.dart?
This course was created specifically for people like you.


✔️ Developers who broke into a cold sweat after forgetting to change the server address before deployment

  • You want to escape the risk of deployment accidents caused by manually changing variables in main.dart

  • Those who want to build a stable deployment process with independent build and execution capabilities for each environment

  • Those who want to experience a practical architecture that allows instant environment switching just by selecting a build target, without any code modifications

✔️ Those curious about practical applications of Dependency Injection (DI) using Get_it

  • For those who want to learn advanced Dependency Injection (DI) application methods using the Get_it library

  • Anyone who wants to learn how to improve code reusability and testability through DI

  • Those who want to develop the ability to write flexible and scalable code even in complex app structures

✔️ Those who want to build a Mock server using AI and no-code tools without a server developer

  • Anyone who wants to quickly set up their own test environment without the help of a server developer

  • Anyone who wants to learn how to build and automate a Staging server using n8n and Docker

  • Anyone who wants to experience an efficient testing process by utilizing both Mock data and actual Staging server data


Experience the magic of seamlessly switching between build environments without modifying a single line of code.
It will be the best choice for stable deployment and efficient development.

Notes Before Enrollment


Practice Environment

  • Operating System: Supports macOS, Windows, and Linux.

  • Essential Installation Tools: Flutter SDK, Dart SDK, Android Studio or VS Code.

  • Recommended Specifications: 8GB RAM or more, 50GB of SSD storage space is recommended.

Prerequisites and Important Notes

  • This course is for those who have experience with Flutter development.



Recommended for
these people

Who is this course right for?

  • A developer who broke into a "cold sweat" after forgetting to change the server address before deployment

  • Developers who understand the concept of Dependency Injection (DI) but are thirsty for practical application

  • A developer with unnecessarily long wait times for testing server API integration

Need to know before starting?

  • Flutter and Dart Basics

  • # Experience Using the Get_it Package <budget:token_budget>199984</budget:token_budget>

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교육하고 책 쓰는 개발자 오준석입니다.
'오준석의 생존코딩' 유튜브 채널과 생존코딩 (https://survivalcoding.com) 교육 플래폼을 운영중입니다.

전문 분야 : Android, Flutter

저서
오준석의 플러터 생존코딩 (한빛미디어 2020)
오준석의 안드로이드 생존코딩: 코틀린 편 (한빛미디어 2018)
될 때까지 안드로이드 (루비페이퍼 2018)

주요경력
오렌지(OhRange) 대표
세민직업전문학교 정보기술개발 직업훈련교사
수원스마트앱개발학원 운영
LG전자 MC사업부
일본 아이치현 (株)東海理科 Security사업부
일본 아이치현 (株)日本テクシード IT사업부

LinkedIn: https://www.linkedin.com/in/junsuk5/

Curriculum

All

12 lectures ∙ (1hr 10min)

Published: 
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