tech-tips

Short posts with strictly educational purpose - tech tips for ruby, python and golang developers, as well as Linux and macOS users

Docker cheat sheet

Learn the most common docker commands - for images, containers and compose.

Active Storage direct upload to cloud

If you've encounters error similar to this one: Failed to load https://storage.googleapis.com/... Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header