Generating a Lockfile for a Python Project Using GitHub Actions
Generate a reproducible Python requirements lockfile with GitHub Actions and pip-tools for consistent CI and CD builds.
Synchronizing Users from LDAP with Keycloak Using AD Filters
Use Keycloak User Federation with a custom LDAP filter to sync only the Active Directory users your realm actually needs.
Understand How Services Run and Operate in Production
Why software engineers should understand how services run in production, and which operational basics matter most.
Choosing Apache Kafka for a New Project: A Questionnaire
A questionnaire for deciding whether Apache Kafka fits your project, covering throughput, retention, guarantees, partitioning, and consumer groups.
My "It's Not DNS" Story
An incident story about DNS resolution failures on Linux VMs and the troubleshooting process that led to the real root cause.
Building Multi-Arch Images for Arm and x86
Build and publish multi-architecture Docker images for Arm64 and x86_64 locally when CI pipelines are unavailable.
Accidentally Found a Vulnerability in a Crypto Wallet and Made $1,000
How I discovered and responsibly disclosed a vulnerability in a proof-of-stake wallet client and received a $1,000 bug bounty.