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Alex Spinov
Alex Spinov

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Depot Has a Free Docker Build Service — Build Container Images 20x Faster

#docker #devops #ci #opensource

A CI pipeline spent 12 minutes building Docker images. Every push. Every PR. That is 12 minutes of developers staring at a progress bar.

Docker builds are slow because: no persistent cache in CI, no native ARM builders, and layer caching resets every run.

Depot offers free Docker builds with persistent caching. 20x faster than building in CI.

What Depot Offers for Free

  • 100 Build Minutes/Month - Free tier
  • Persistent Cache - Cache survives between builds
  • Native ARM - Build arm64 without QEMU emulation
  • Multi-Platform - Build linux/amd64 and linux/arm64 in parallel
  • GitHub Actions - Drop-in replacement for docker/build-push-action

Quick Start 

# .github/workflows/build.yml
- uses: depot/setup-action@v1
- uses: depot/build-push-action@v1
  with:
    project: YOUR_PROJECT_ID
    push: true
    tags: myapp:latest
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Same interface as docker/build-push-action, just faster.

Website: depot.dev - 100 free build minutes/month

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