Blog

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2026-07-283 min read

Building callduty: Phone-Call Alerting Without the PagerDuty Bill

How I replaced PagerDuty with callduty: a small self hosted service that phones whoever is on call when a critical alert won't clear, wiring SigNoz to Twilio and Slack.

#devops#on-call#twilio#signoz#open-source#python

2026-02-143 min read

Centralized Access to Deployment Keys with AWS KMS Signer

How we solved the problem of individual developer keys for smart contract deployments by using AWS KMS Signer eliminating security risks during employee off-boarding while maintaining trust and auditability.

#aws#kms#smart-contracts#security#devops#blockchain

2024-12-152 min read

Building a DigitalOcean Cost Explorer with Prometheus & Grafana

How I built a custom cost exporter for DigitalOcean using Prometheus and Grafana to fill a key monitoring gap and enable data-driven cloud cost savings at Avail.

#devops#prometheus#grafana#cost-optimization#digitalocean