Library › Book 8 › Testcontainers for Infrastructure Testing
Testcontainers for Infrastructure Testing
12.1🔒What Testcontainers SolvesIntegration tests have a dependency problem. Your code talks to PostgreSQL, Kafka, Redis -- but where do those services come from in tests?…
12.2🔒Kafka with Testcontainers
12.3🔒PostgreSQL with Testcontainers
12.4🔒Redis and LocalStack
12.5🔒Best Practices1. Use scope="module" -- Starting containers is slow (2-10s). Share across tests. 2. Clean state per test via fixtures, not new containers…
12.6🔒Exercises: Chapter 121. [Beginner] Set up a PostgreSQL Testcontainer, create a table, and write insert/select tests. 2. [Intermediate] Build Kafka…
12.7🔒Key Takeaways- Testcontainers eliminates "works locally, fails in CI" for integration tests - Real services in Docker are more reliable than mocks…
12.8🔒Career Translation- Built Testcontainers-based integration test framework providing isolated PostgreSQL, Kafka, and Redis instances per test suite…
12.9🔒Q&AInterview Depth CheckPrompt: Your integration tests take 20 minutes to run because each test starts its own database container. How would you optimize this?