We write words too

The Blacksmith blog is where our engineers tell the story of what we're building and the lessons we're learning along the way.

Articles

• US west region outage due to facility cooling loss on August 13, 2026 (Engineering, Aug 19, 2026)
• Announcing Blacksmith’s Series B led by Peak XV Partners (News, Aug 12, 2026)
• The physics of Docker build caching (Engineering, Jul 31, 2026)
• Why I joined Blacksmith to work on storage again (Engineering, Jul 24, 2026)
• Blacksmith outage on July 21, 2026 (Engineering, Jul 22, 2026)
• What is your CI job talking to? (Engineering, Jul 20, 2026)
• Closed-loop development: how we shipped Mac runners in 3 weeks (Engineering, Apr 16, 2026)
• How Blacksmith survives ISP degradation with Tailscale Services (Engineering, Dec 18, 2025)
• The GitHub Actions control plane is no longer free (News, Dec 16, 2025)
• How we SSH into GitHub Actions (Product, Sep 9, 2025)
• Reverse engineering GitHub Actions cache to make it fast (Product, Jul 23, 2025)
• How we built a logging platform for GitHub Actions with ClickHouse (Product, Jul 2, 2025)