<ul><li>TestContainers for .NET is a library that supports tests with throwaway instances of Docker containers for all compatible .NET Standard versions.</li><li>The Testcontainers.PostgreSql NuGet package makes it easy to spin up PostgreSQL containers for integration testing.</li><li>The core idea is to ensure that each test class gets a clean, isolated database instance, used for executing integration tests and deleted afterward.</li><li>The article discusses how to include the PostgreSQL extension in a Docker image through C# for integration tests, using TestContainers and configuring the PostgreSQL container.</li></ul>

TestContainers in .NET with PostgreSQL and PgVector

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