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DevOps & Cloud Infrastructure (147)AI & LLMs (130)Backend & APIs (100)Web Development (81)ERP Systems (74)Software Development (58)Security (30)Career Reflections (28)Cloud (21)Product & SaaS (12)AI / Machine Learning (5)University (1)Hackathons (1)
Modular Monolith Architecture: When It Beats Microservices
Software DevelopmentOctober 202611 min read

Modular Monolith Architecture: When It Beats Microservices

What a modular monolith is and when it beats microservices: one deployable, a public API per module, a Postgres schema per module and lint-enforced boundaries.

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Service Discovery in Microservices: How It Works
BackendOctober 202611 min read

Service Discovery in Microservices: How It Works

How does service discovery work in microservices? Registry, heartbeat and TTL, client-side vs server-side, DNS in Docker Compose and Kubernetes, Consul.

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Service Mesh vs API Gateway: Differences and When to Use Each
CloudOctober 202611 min read

Service Mesh vs API Gateway: Differences and When to Use Each

Service mesh vs API gateway: north-south versus east-west traffic, sidecar versus ambient mesh, real nginx and Istio config, cost, and when you need neither.

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Strangler Fig Pattern: Monolith to Microservices Migration
Software DevelopmentOctober 202611 min read

Strangler Fig Pattern: Monolith to Microservices Migration

How to migrate a monolith to microservices with the strangler fig pattern: a routing facade, one slice at a time, data ownership, rollback and when to stop.

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Leader Election in Distributed Systems: Leases and Fencing
BackendOctober 202612 min read

Leader Election in Distributed Systems: Leases and Fencing

How leader election works in distributed systems: a Postgres lease with a fencing epoch, Redis and etcd alternatives, Kubernetes Lease objects and split-brain.

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Pub/Sub vs Message Queue: Differences and When to Use Each
BackendOctober 202610 min read

Pub/Sub vs Message Queue: Differences and When to Use Each

Pub/sub vs message queue: competing consumers versus fan-out, delivery guarantees, ordering, replay, consumer groups, and a checklist for jobs, notifications and events.

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