Testcontainers, WireMock, Awaitility: The Hard Truths of Microservices Testing explores why ditching in-memory databases and simplistic mocks is crucial when you’re running large-scale microservices—especially in digital banking. Elias Nogueira dives into the three toughest integration-testing pain points (think flaky tests, sluggish CI/CD, and fragile dependencies) and explains why production-like environments are non-negotiable.
He then lays out hands-on fixes using Testcontainers for real database instances, WireMock for reliable HTTP stubbing, and Awaitility for stable asynchronous waits—so your tests become fast, dependable, and truly representative of production.
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