12 posts tagged with "devops"

Sometimes, you may want to retrieve a specific file from another branch in a Git repository without switching branches completely. This is particularly useful when you want to grab a specific version of a file for debugging, rollback, or review.

In this guide, we’ll walk through how to checkout a single file from another branch using Git. We’ll cover multiple scenarios with examples and best practices.

When defining server URLs in OpenAPI specs, you often need to reference environment-specific values (like staging or production subdomains). But using raw environment variables can result in placeholder values like default: unknown, which may confuse tools like Swagger UI, ReDoc, or code generators.

This guide explains the issue and offers clean solutions - with practical examples.