Guides

September 25, 2024

Building Multi-Platform Docker Images for ARM64 in GitHub Actions

If you're building cross-platform Docker builds, it is important you use the right hardware to do this. Read more to ensure you have an optimal build environment for your Docker builds.

September 12, 2024

Understanding Multi-Stage Docker Builds

Optimize your Docker images with multi-stage builds, a powerful feature that separates build and runtime environments for smaller, more secure, and faster-to-build images. Learn how to leverage multi-stage builds effectively and understand the anatomy of a multi-stage Dockerfile.

September 9, 2024

A Guide to Disk Space Management with Docker: How to Clear Your Cache

Have you been hit with the dreaded `no space left on device`? Docker is a great tool but is often the culprit for filling up your disk. Read more for how to cleanup your dangling resources and reclaim valuable disk space so you can get back to docker building!

August 26, 2024

How to optimize your Dockerfile for faster Docker builds

Wondering what a good Dockerfile looks like? This blog lays out some of the best practices to follow when writing one. These pointers will ensure you're optimizing your Docker build times and keeping your Docker images lean.

August 12, 2024

Faster Docker builds using a remote BuildKit instance

Tired of slow Docker builds? This simple yet effective approach speeds up Docker builds by persisting the layer cache in the EBS volume of your EC2 instance. Perfect for small to medium teams looking to boost their productivity.

April 29, 2024

How to run Jest tests faster in GitHub Actions

"Discover how to cut Jest test times drastically with sharding and fail-fast flags. Learn strategies to optimize CI time without breaking the bank using Blacksmith’s advanced tools."

April 6, 2024

Cache is King: A guide for Docker layer caching in GitHub Actions

A majority of the GitHub Action workflows we see at Blacksmith use Docker. Whether it is to setup containers to run tests against, or build custom Docker images and push them to a registry, Docker is everywhere.

March 30, 2024

Protect prod, cut costs: concurrency in GitHub Actions

At Blacksmith we see tens of GitHub Action workflow files a day: some good, some bad. This uniquely positions us to help customers optimize and use best practices in their CI pipeline.

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