Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.
A Go service that has always been shipped as a static binary in a scratch-y image suddenly fails to start in a container, while the local build works as before. Find what recent changes caused it and fix the image without reverting them.
Practice using Docker build arguments to inject version and commit metadata into a Go application during the image build.
Learn how to build container images for non-native CPU architectures using Go's support of cross-compilation.
Practice building and compiling applications inside their Dockerfiles by containerizing a Go backend and a TypeScript frontend.
Learn how to build a secure, lightweight, and production-ready container image for a dynamically linked Go application by following this hands-on challenge full of practical tips and tricks.
Learn how to build a secure, lightweight, and production-ready container image for a statically linked Go application by following this hands-on challenge full of practical tips and tricks.
Can you make a container exit gracefully after the 'docker stop' command while preserving its extensible entrypoint mechanism?
This challenge focuses on debugging memory usage issues in a Go application deployed in a Kubernetes cluster. The goal is to ensure the application can handle moderate traffic without crashing, even when it runs with significantly constrained memory resources.
Learn how to write a Dagger Function to run the unit test suite of a Go project.
Learn how to write a Dagger Function to build a multi-arch Go project.
