The Game-Changing Meeting
I met a group of developers who completely changed my perspective on software development. They were using technologies and patterns I'd never heard of.
When they mentioned "Next.js 14 with App Router, microservices, clean architecture," I realized I was way behind.
Learning Next.js Before React
The Unconventional Path
Most people learn React first. My friends threw me straight into Next.js:
- App Router architecture
- Server Components vs Client Components
- Server Actions for forms
- Streaming with Suspense
// My first Next.js component
async function UserPosts({ userId }: { userId: string }) {
const posts = await fetch(`/api/posts/${userId}`);
return (
<div>
{posts.map(post => (
<PostCard key={post.id} post={post} />
))}
</div>
);
}
export default function ProfilePage({ params }) {
return (
<div>
<ProfileHeader userId={params.id} />
<Suspense fallback={<Loading />}>
<UserPosts userId={params.id} />
</Suspense>
</div>
);
}
Learning Next.js first was brilliant - built-in optimizations taught me good practices from day one.
Microservices Architecture
From Monolith to Microservices
They showed me how to break applications into smaller services:
Before: Single App
┌─────────────────┐
│ Users, Posts, │
│ Auth all in │
│ one app │
└─────────────────┘
After: Microservices
┌─────────┐ ┌─────────┐ ┌─────────┐
│ User │ │ Post │ │ Auth │
│ Service │ │ Service │ │ Service │
└─────────┘ └─────────┘ └─────────┘
Docker Implementation
FROM node:18-alpine
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
CMD ["npm", "run", "dev"]
Clean Architecture Patterns
Layered Structure
They taught me proper separation of concerns:
// Domain Layer
export interface User {
id: string;
email: string;
}
// Application Layer
export class CreateUserUseCase {
constructor(private userRepo: UserRepository) {}
async execute(email: string): Promise<User> {
const user = new User(email);
return await this.userRepo.save(user);
}
}
// Infrastructure Layer
export class PostgresUserRepository implements UserRepository {
async save(user: User): Promise<User> {
// Database implementation
}
}
What I Learned
Technologies Mastered
- Next.js 14 with TypeScript
- Docker containerization
- Microservices architecture
- Clean Architecture patterns
- Testing with modern tools
Key Principles
- Quality over speed mindset
- Architecture first approach
- Continuous learning habit
- Clean code practices
The Growth Impact
Before vs After (6 months)
Before:
- Basic CRUD apps
- Monolithic thinking
- No testing culture
After:
- Full-stack architecture understanding
- Microservices design patterns
- Clean code principles
- Professional development workflows
Key Takeaways
- Surround yourself with smart people
- Don't fear asking questions
- Learn by building projects
- Share knowledge with others
Meeting these talented developers was like finding a cheat code for my career. They taught me to think like a software architect, not just a coder.