This article explains how to use ULID (Universally Unique Lexicographically Sortable Identifier) in Go programs with a Postgres database. It highlights ULID's benefits over traditional UUIDs, including sortability and efficiency, and provides sample code for integration.

Local development can be streamlined with Fiber v3's new Services API and Testcontainers, allowing developers to manage external service dependencies like PostgreSQL containers seamlessly within their applications. This integration promotes a consistent development environment, enhances testing capabilities, and simplifies the lifecycle management of backing services. The article provides a guide on building a Fiber app with these new features for improved local development experiences.