Project: Implemented GitOps across 15 teams - the good, bad, and ugly
Timeline: 13 months
Team: 10 engineers
Budget: $190k
Challenge:
We needed to modernize our platform while maintaining backward compatibility.
Solution:
We implemented a blue-green deployment strategy using:
- Kubernetes for orchestration
- Chaos engineering
- Developer self-service
Results:
✓ MTTR: 4hrs → 15min
✓ Compliance audit passed first try
✓ Security posture improved dramatically
Happy to discuss our approach and share learnings!
Super useful! We're just starting to evaluateg this approach. Could you elaborate on success metrics? Specifically, I'm curious about how you measured success. Also, how long did the initial implementation take? Any gotchas we should watch out for?
Additionally, we found that failure modes should be designed for, not discovered in production.
For context, we're using Istio, Linkerd, and Envoy.
I'd recommend checking out relevant blog posts for more details.
I'd recommend checking out the community forums for more details.
Couldn't relate more! What we learned: Phase 1 (6 weeks) involved stakeholder alignment. Phase 2 (3 months) focused on process documentation. Phase 3 (1 month) was all about knowledge sharing. Total investment was $50K but the payback period was only 9 months. Key success factors: automation, documentation, feedback loops. If I could do it again, I would set clearer success metrics.
Additionally, we found that documentation debt is as dangerous as technical debt.
One more thing worth mentioning: the initial investment was higher than expected, but the long-term benefits exceeded our projections.
We chose a different path here using Istio, Linkerd, and Envoy. The main reason was observability is not optional - you can't improve what you can't measure. However, I can see how your method would be better for fast-moving startups. Have you considered cost allocation tagging for accurate showback?
Additionally, we found that automation should augment human decision-making, not replace it entirely.
One more thing worth mentioning: we discovered several hidden dependencies during the migration.
This mirrors what we went through. We learned: Phase 1 (6 weeks) involved tool evaluation. Phase 2 (3 months) focused on process documentation. Phase 3 (1 month) was all about optimization. Total investment was $100K but the payback period was only 3 months. Key success factors: good tooling, training, patience. If I could do it again, I would invest more in training.
One thing I wish I knew earlier: observability is not optional - you can't improve what you can't measure. Would have saved us a lot of time.
We tackled this from a different angle using Kubernetes, Helm, ArgoCD, and Prometheus. The main reason was automation should augment human decision-making, not replace it entirely. However, I can see how your method would be better for larger teams. Have you considered automated rollback based on error rate thresholds?
One thing I wish I knew earlier: observability is not optional - you can't improve what you can't measure. Would have saved us a lot of time.
For context, we're using Terraform, AWS CDK, and CloudFormation.
What we'd suggest based on our work: 1) Document as you go 2) Monitor proactively 3) Review and iterate 4) Measure what matters. Common mistakes to avoid: over-engineering early. Resources that helped us: Phoenix Project. The most important thing is consistency over perfection.
Feel free to reach out if you have more questions - happy to share our runbooks and documentation.
For context, we're using Grafana, Loki, and Tempo.
One thing I wish I knew earlier: observability is not optional - you can't improve what you can't measure. Would have saved us a lot of time.
Allow me to present an alternative view on the metrics focus. In our environment, we found that Istio, Linkerd, and Envoy worked better because starting small and iterating is more effective than big-bang transformations. That said, context matters a lot - what works for us might not work for everyone. The key is to start small and iterate.
Additionally, we found that documentation debt is as dangerous as technical debt.
The end result was 60% improvement in developer productivity.
Not to be contrarian, but I see this differently on the timeline. In our environment, we found that Kubernetes, Helm, ArgoCD, and Prometheus worked better because failure modes should be designed for, not discovered in production. That said, context matters a lot - what works for us might not work for everyone. The key is to invest in training.
One more thing worth mentioning: integration with existing tools was smoother than anticipated.
I'd recommend checking out the official documentation for more details.
Lessons we learned along the way: 1) Document as you go 2) Use feature flags 3) Share knowledge across teams 4) Build for failure. Common mistakes to avoid: over-engineering early. Resources that helped us: Phoenix Project. The most important thing is learning over blame.
I'd recommend checking out relevant blog posts for more details.
For context, we're using Jenkins, GitHub Actions, and Docker.
Feel free to reach out if you have more questions - happy to share our runbooks and documentation.
On the operational side, some thoughtss we've developed: Monitoring - Prometheus with Grafana dashboards. Alerting - Opsgenie with escalation policies. Documentation - Notion for team wikis. Training - pairing sessions. These have helped us maintain high reliability while still moving fast on new features.
I'd recommend checking out conference talks on YouTube for more details.
For context, we're using Datadog, PagerDuty, and Slack.
One thing I wish I knew earlier: starting small and iterating is more effective than big-bang transformations. Would have saved us a lot of time.
From an operations perspective, here's what we recommends we've developed: Monitoring - Prometheus with Grafana dashboards. Alerting - Opsgenie with escalation policies. Documentation - Confluence with templates. Training - certification programs. These have helped us maintain high reliability while still moving fast on new features.
The end result was 70% reduction in incident MTTR.
I'd recommend checking out conference talks on YouTube for more details.
Feel free to reach out if you have more questions - happy to share our runbooks and documentation.
Our experience was remarkably similar. The problem: security vulnerabilities. Our initial approach was simple scripts but that didn't work because too error-prone. What actually worked: automated rollback based on error rate thresholds. The key insight was observability is not optional - you can't improve what you can't measure. Now we're able to scale automatically.
For context, we're using Vault, AWS KMS, and SOPS.
The end result was 80% reduction in security vulnerabilities.
For context, we're using Datadog, PagerDuty, and Slack.
Key takeaways from our implementation: 1) Test in production-like environments 2) Use feature flags 3) Practice incident response 4) Build for failure. Common mistakes to avoid: over-engineering early. Resources that helped us: Team Topologies. The most important thing is learning over blame.
Feel free to reach out if you have more questions - happy to share our runbooks and documentation.
For context, we're using Datadog, PagerDuty, and Slack.
Feel free to reach out if you have more questions - happy to share our runbooks and documentation.
Appreciate you laying this out so clearly! I have a few questions: 1) How did you handle scaling? 2) What was your approach to blue-green? 3) Did you encounter any issues with costs? We're considering a similar implementation and would love to learn from your experience.
Feel free to reach out if you have more questions - happy to share our runbooks and documentation.
I'd recommend checking out conference talks on YouTube for more details.
I'd recommend checking out relevant blog posts for more details.