Learn to architect and build production-grade microservices, starting with how to carve a monolith into well-bounded services and moving through the communication, data, and resilience patterns that keep distributed systems dependable. You will work with REST, gRPC, and event-driven messaging, apply saga, CQRS, and event sourcing patterns, and harden services with circuit breakers and bulkheads. The course closes with service mesh operations using Istio and Linkerd and full observability through OpenTelemetry and Jaeger.

Modules

Decomposing the Monolith into Services

Lessons

• Bounded Contexts as Service Seams: Applying Domain-Driven Design Preview
• The Strangler Fig Approach to Incremental Monolith Migration
• Splitting the Shared Database: Data Ownership per Service

Communication Between Services

Lessons

• Designing REST Contracts That Survive Service Evolution
• gRPC and Protocol Buffers for Low-Latency Internal Calls
• Event-Driven Messaging: Choreography with Brokers and Topics

Service Mesh in Practice

Lessons

• Why Sidecar Proxies: The Case for a Service Mesh
• Istio Traffic Management: Virtual Services and Canary Routing
• Linkerd and mTLS: Lightweight Mesh Security by Default

Data Patterns for Distributed Systems

Lessons

• The Saga Pattern: Orchestrating Transactions Across Services
• CQRS: Separating Reads from Writes at Scale
• Event Sourcing: Rebuilding State from an Append-Only Log

Resilience Engineering Patterns

Lessons

• Circuit Breakers: Failing Fast When Dependencies Degrade
• Retry Budgets Backoff and Idempotency Keys
• Bulkheads and Timeouts: Isolating Failure Domains

Observability Across Services

Lessons

• Distributed Tracing Concepts: Spans Context and Propagation
• Instrumenting Services with OpenTelemetry SDKs and Collectors
• Analyzing Latency in Jaeger: From Trace Waterfalls to Fixes