Cloud-native, Kubernetes, GitOps, FinOps and AI infrastructure notes from NubiCode.https://blog.nubicode.com/en-ushttps://blog.nubicode.com/immutable-image-tags-git-sha/https://blog.nubicode.com/immutable-image-tags-git-sha/Tag images with the Git commit SHA, make the registry refuse overwrites, promote one image from dev to prod, and roll back with git revert.Wed, 16 Sep 2026 00:00:00 GMTcontainersecrkubernetesgithub-actionsgitopsFrancisco Herrerahttps://blog.nubicode.com/mcp-gateway-kubernetes/https://blog.nubicode.com/mcp-gateway-kubernetes/One front door for AI agents: MCP servers behind a Kubernetes gateway with auth, per-tool authorization, session routing and a per-call audit log.Wed, 09 Sep 2026 00:00:00 GMTmcpai-infrastructurekuberneteshelmsecurityFrancisco Herrerahttps://blog.nubicode.com/zero-downtime-datacenter-to-aws-migration/https://blog.nubicode.com/zero-downtime-datacenter-to-aws-migration/How we moved a recruitment platform’s ~40-instance .NET fleet and databases from an Ireland datacenter to multi-account AWS with a zero-downtime cutover.Wed, 02 Sep 2026 00:00:00 GMTawsmigrationpackerdmsdirect-connecteksFrancisco Herrerahttps://blog.nubicode.com/gitops-argocd-zero-drift/https://blog.nubicode.com/gitops-argocd-zero-drift/ArgoCD on a multi-cloud AI agent platform: app-of-apps, versioned Helm charts from GitHub Actions, selfHeal and prune, and what zero drift actually required.Wed, 26 Aug 2026 00:00:00 GMTargocdgitopskuberneteshelmgithub-actionsFrancisco Herrerahttps://blog.nubicode.com/finops-audit-737-hosts/https://blog.nubicode.com/finops-audit-737-hosts/How we inventoried 737 hosts across three clouds, sorted them into four buckets, and found the savings before buying a single Savings Plan.Wed, 19 Aug 2026 00:00:00 GMTfinopsawsgcpazurekubernetesFrancisco Herrera