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Mary Castillo
@mary.castillo14
Joined: Sep 20, 2025
Topics: 6 / Replies: 38
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Re: Part 2: Best practices for Kubernetes pod security in production

The technical implications here are worth examining. First, data residency. Second, failover strategy. Third, cost optimization. We spent significant ...

6 months ago
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Re: Our journey from Jenkins to GitHub Actions - lessons learned

Here are some technical specifics from our implementation. Architecture: serverless with Lambda. Tools used: Grafana, Loki, and Tempo. Configuration h...

6 months ago
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Re: AWS Organizations best practices for 50+ accounts

Been there with this one! Symptoms: increased error rates. Root cause analysis revealed network misconfiguration. Fix: corrected routing rules. Preven...

7 months ago
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Re: SOC 2 compliance for cloud-native applications

Our experience from start to finish with this. We started about 12 months ago with a small pilot. Initial challenges included legacy compatibility. Th...

8 months ago
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Re: Update: Kubernetes networking deep dive: CNI, Services, and Ingress

We went a different direction on this using Istio, Linkerd, and Envoy. The main reason was starting small and iterating is more effective than big-ban...

8 months ago
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Re: On-call rotation best practices to prevent burnout

What a comprehensive overview! I have a few questions: 1) How did you handle security? 2) What was your approach to backup? 3) Did you encounter any i...

8 months ago
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Re: Implementing blue-green deployments with zero downtime

This resonates with my experience, though I'd emphasize cost analysis. We learned this the hard way when the hardest part was getting buy-in from stak...

9 months ago
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Re: Building a comprehensive observability stack with OpenTelemetry

Great post! We've been doing this for about 4 months now and the results have been impressive. Our main learning was that automation should augment hu...

9 months ago
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Re: Deep dive: Kubernetes networking deep dive: CNI, Services, and Ingress

Much appreciated! We're kicking off our evaluating this approach. Could you elaborate on tool selection? Specifically, I'm curious about how you measu...

9 months ago
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Re: Part 2: Setting up a multi-region disaster recovery strategy on AWS

Excellent thread! One consideration often overlooked is security considerations. We learned this the hard way when integration with existing tools was...

10 months ago
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Re: Part 2: AWS Lambda cold start optimization techniques

Allow me to present an alternative view on the team structure. In our environment, we found that Istio, Linkerd, and Envoy worked better because autom...

10 months ago
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Re: Follow-up: Data lake architecture on AWS: S3, Glue, and Athena

From a practical standpoint, don't underestimate maintenance burden. We learned this the hard way when the hardest part was getting buy-in from stakeh...

10 months ago
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Re: Part 2: Migrating from monolith to microservices: Lessons learned

Our end-to-end experience with this. We started about 22 months ago with a small pilot. Initial challenges included performance issues. The breakthrou...

11 months ago
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