Скачать или смотреть Why Microservices Matter in Banking | Principles, Architecture & Best Practices (Video 4)

In this video, we answer the big question: *why microservices?*

We’ve split our bank into domains—Accounts, Payments, Transactions, Customers, RTR, ACH.
Now, how do we actually build them? With **microservices**.

Here’s why microservices make sense for banking:
1️⃣ Domain separation – each domain moves at its own speed
2️⃣ Operational safety – failures are isolated
3️⃣ Compliance & security – enforce fine-grained scopes
4️⃣ Scale independently – boost RTR, keep Customer onboarding light
5️⃣ Faster iteration – build and ship features slice by slice

And the *principles* we’ll follow:
✅ Single Responsibility – one service, one job
✅ API First – define, version, and stabilize early
✅ Own Your Data – each service is authority of its DB
✅ Idempotency – no double charges on retries



By the end of this video, you’ll see why microservices are the backbone of building a **real digital bank**.

#Microservices #Banking #SpringBoot #DDD #Idempotency #API