Writing Systemd Service Files for Your Applications
A template for running your applications as proper systemd services.
Read more →Deployment
Docker Compose in Production: Yes, It Works
Docker Compose is a legitimate production deployment tool for small to medium workloads.
Read more →Canary Deployment: Gradual Traffic Shifting
Canary deployments take their name from the coal miners who brought canaries into mines to detect toxic gases. If the canary stopped singing, miners knew to evacuate. In software deployment, the…
Read more →Blue-Green Deployment: Zero-Downtime Releases
Blue-green deployment is a release strategy that maintains two identical production environments: ‘blue’ (currently serving live traffic) and ‘green’ (idle or running the new version). When you…
Read more →Apache Spark - Production Deployment Checklist
Getting resource allocation wrong is the fastest path to production incidents. Too little memory causes OOM kills. Too many cores per executor creates GC nightmares. The sweet spot requires…
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