blog posts
once in a while inspiration hits and I share ideas here
blockchainkubernetesplatform-engineeringinfrastructure-as-code
Orchestrating blockchain nodes on Kubernetes at Blockdaemon: the design case
Kubernetes was built for stateless workloads. Blockchain nodes are the extreme opposite. A design proposal exploring what it would actually take to run validators and full nodes on Kubernetes at scale: storage, process exclusivity, key injection, and the upgrade automation that might make it worth the investment.
macunha
infrastructure-as-codecloudterraform
Real-life Terraform Refactoring Guide
Want to know how to better organize existing Terraform code? If you grasp these ideas, it could even serve for not-yet Infrastructure as Code resources. Jump in and take a look.
macunha
infrastructure-as-codecloudterraform
Terraform: Atomic Design
Adapting the Atomic Design methodology to Infrastructure as Code components to help foster code reusability, ease of maintenance and agile development of the infrastructure. Creates standardization, validates inputs and brings the Terraform definitions closer to the developers (self-service Ops).
macunha
infrastructure-as-codecloudterraform
Terraform Design Best Practices
Composing on the existing Terraform best-practices documents to empower developers and distribute the power of managing Infrastructure. In doing so, some self-service Ops and micro-services architecture were added to the mix.
macunha
ci-cdjenkinskubernetesinfrastructure-as-code
The Freeletics CI/CD rebuild, phase by phase
The build system: Kaniko replacing Docker-in-Docker, a Groovy Shared Library redesign that cut per-repository boilerplate to near zero, and the change that made Dependabot Monday mornings a non-event. What we shipped and what it changed.
macunha
ci-cdjenkinssecurityplatform-engineering
Boring security on Freeletics Jenkins, by design
Every G-Suite account had Jenkins admin access. Nobody chose this; it was the default, and it was never revisited. How authorization and secrets management were rebuilt to make the right thing the path of least resistance.
macunha
ci-cdjenkinsplatform-engineeringinfrastructure-as-code
Freeletics CI/CD: five years of debt (and why we kept Jenkins)
An inherited Jenkins setup nobody dared to touch, three CI/CD systems running in parallel, and a Monday morning ritual of watching builds hang. The case for rebuilding instead of replacing, and the benchmark data behind it.
macunha
data pipelineskubernetestutorials
Quickstart: Apache Spark on Kubernetes
Using Apache Spark Operator in Kubernetes to streamline your Big Data workflows with a cloud-native approach without relying on a Hadoop cluster.
macunha
devopscultureagilelean
DevOps: Benefits
Benefits of implementing DevOps culture in business, why this is a feasible option and the DevOps world big picture in-a-nutshell from a business point of view.
macunha
devopscultureagilelean
DevOps: The Genesis
From where DevOps came and to where we go. DevOps isn't simply automation, but a whole culture around agile business
macunha
product engineeringdevelopment
Insights from a perfectionist about Over-Engineering
Software engineers are always trying to do their best when it comes to being innovative and improving their systems. This article helps to put that willingness into perspective and drive it in the right direction.
macunha