Building rebaseable container images with Docker from scratch
A hands-on look at how rebaseable container images are structured on Cloud Run, using Docker and FROM scratch.
Wietse Venema’s Weblog
Technical notes on AI agents, cloud infrastructure, and development workflows.
Cutting context window pollution with silent test runners
Dumping verbose test logs into an AI coding agent wastes context window space. Wrapping test commands in a silent Make macro suppresses noise on success while preserving full stack traces on failure.
Preventing port conflicts in Git worktrees using directory hashing
Deterministic directory hashing calculates unique local port numbers from absolute filesystem paths, preventing port collisions in Git worktrees without manual configuration.
Explore topics
Cloud Run
How runtime rebasing works on Cloud Run
A technical overview of automatic base image updates on Cloud Run.
How to set up a custom domain and HTTPS redirects on Cloud Run
Use these gcloud commands to configure a custom domain for a Cloud Run service with a managed SSL certificate and an HTTP-to-HTTPS redirect.
A fast way to get started with Antigravity SDK on Google Cloud
Learn how to run an interactive agent loop with Antigravity SDK.
Auto-formatting Python with Ruff in Gemini CLI
Learn how to set up a hook in Gemini CLI that uses Ruff to format and sort imports in your Python code every time it modifies a file.