Daniel Cosenza's Blog — SRE & DevOpsContainers, orchestration, cloud infrastructure, and the practices that keep production reliable.https://danielcosenza.com/en-usFri, 17 Jul 2026 00:00:00 GMTAmazon ECR in Production: IAM, Digests, Scanning, Lifecycle Rules, and Replicationhttps://danielcosenza.com/posts/devops-amazon-ecr/https://danielcosenza.com/posts/devops-amazon-ecr/How to operate Amazon ECR as a controlled OCI artifact supply point with least-privilege access, immutable identity, scanning, retention, and recovery.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsawsecrcontainer-registryAmazon ECS Architecture: Tasks, Services, Capacity, and Operational Boundarieshttps://danielcosenza.com/posts/devops-amazon-ecs-architecture/https://danielcosenza.com/posts/devops-amazon-ecs-architecture/A practical model of ECS task definitions, services, capacity providers, networking, IAM, deployments, and the responsibilities AWS does not remove.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsawsecscontainersAmazon EKS in Production: Control Plane, Compute, IAM, Networking, and Upgradeshttps://danielcosenza.com/posts/devops-amazon-eks/https://danielcosenza.com/posts/devops-amazon-eks/What AWS manages in EKS, what remains in your account, and how node choices, VPC networking, identity, observability, availability, and cost interact.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsawsekskubernetesAWS App Runner: From Source or Container Image to a Managed Web Servicehttps://danielcosenza.com/posts/devops-aws-app-runner/https://danielcosenza.com/posts/devops-aws-app-runner/How App Runner builds, deploys, scales, secures, and observes HTTP services—and where its simplified platform stops being the right abstraction.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsawsapp-runnerpaasAWS Fargate: Serverless Container Compute for ECS and EKShttps://danielcosenza.com/posts/devops-aws-fargate-serverless-containers/https://danielcosenza.com/posts/devops-aws-fargate-serverless-containers/What Fargate manages, how task-level isolation and resource sizing work, and when its operational simplicity outweighs reduced host control.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsawsfargatecontainersAWS Step Functions: Reliable Workflow Orchestration Without a Custom Coordinatorhttps://danielcosenza.com/posts/devops-aws-step-functions-workflows/https://danielcosenza.com/posts/devops-aws-step-functions-workflows/How Step Functions state machines coordinate distributed work, where retries and execution history help, and where orchestration cost and service limits matter.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsawsstep-functionsorchestrationAzure Container Apps: Environments, Revisions, KEDA Scaling, and Managed Ingresshttps://danielcosenza.com/posts/devops-azure-container-apps/https://danielcosenza.com/posts/devops-azure-container-apps/A production-focused guide to Azure Container Apps architecture, revisions, jobs, networking, identity, observability, scaling, and platform limits.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsazurecontainer-appskedaAzure Container Registry: Identity, OCI Artifacts, Geo-Replication, and Governancehttps://danielcosenza.com/posts/devops-azure-container-registry/https://danielcosenza.com/posts/devops-azure-container-registry/A production operating model for ACR authentication, repository permissions, digests, scanning integrations, retention, private networking, and global replicas.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsazureacrcontainer-registryAzure Kubernetes Service: Managed Control Plane, Node Pools, Identity, and Networkinghttps://danielcosenza.com/posts/devops-azure-kubernetes-service/https://danielcosenza.com/posts/devops-azure-kubernetes-service/A production model for AKS architecture, Entra authentication, node pools, CNI choices, upgrades, observability, availability, and shared responsibility.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsazureakskubernetesContainer Tags, Digests, SBOMs, and Provenance: Building a Verifiable Release Chainhttps://danielcosenza.com/posts/devops-container-tags-digests-provenance/https://danielcosenza.com/posts/devops-container-tags-digests-provenance/Why latest is not an identity, how OCI digests anchor releases, and how signatures, attestations, SBOMs, and admission policy work together.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsocisbomsigstoreGoogle Artifact Registry: Repository Modes, IAM, Cleanup, and Deployment Integrationhttps://danielcosenza.com/posts/devops-google-artifact-registry/https://danielcosenza.com/posts/devops-google-artifact-registry/How Artifact Registry manages container images and language packages with explicit locations, repository-level access, vulnerability analysis, and cleanup policies.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsgoogle-cloudartifact-registryociGoogle Cloud Run: Services, Jobs, Revisions, and the Container Runtime Contracthttps://danielcosenza.com/posts/devops-google-cloud-run/https://danielcosenza.com/posts/devops-google-cloud-run/How Cloud Run turns containers into managed services and jobs, including scaling, traffic splitting, IAM, networking, observability, and cold-start tradeoffs.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsgoogle-cloudcloud-runserverlessGoogle Container Registry After Shutdown: What GCR Was and How Migration Workshttps://danielcosenza.com/posts/devops-google-container-registry-shutdown/https://danielcosenza.com/posts/devops-google-container-registry-shutdown/Why legacy Container Registry is no longer the service to design around, what remains true about gcr.io URLs, and how to move safely to Artifact Registry.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsgoogle-cloudgcrartifact-registryGoogle Kubernetes Engine: Autopilot, Standard, Cluster Architecture, and Operationshttps://danielcosenza.com/posts/devops-google-kubernetes-engine/https://danielcosenza.com/posts/devops-google-kubernetes-engine/How GKE divides control between Google and the customer across Autopilot and Standard modes, including scaling, identity, networking, upgrades, security, and cost.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsgoogle-cloudgkekubernetesHelm Architecture and Release Lifecycle: Charts, Values, Hooks, Rollbacks, and Supply Chainhttps://danielcosenza.com/posts/devops-helm-release-lifecycle/https://danielcosenza.com/posts/devops-helm-release-lifecycle/A deep guide to Helm charts and releases, value precedence, dependencies, lifecycle operations, GitOps, secrets, validation, and Helm 4 compatibility.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpshelmkubernetesgitopsKarpenter Node Lifecycle: NodePools, NodeClaims, Scheduling, Consolidation, and Disruptionhttps://danielcosenza.com/posts/devops-karpenter-node-lifecycle/https://danielcosenza.com/posts/devops-karpenter-node-lifecycle/How Karpenter provisions right-sized Kubernetes nodes for pending pods and safely manages Spot, expiration, consolidation, IAM, and production disruption on EKS.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpskarpentereksautoscalingKEDA Event-Driven Autoscaling: ScaledObjects, ScaledJobs, HPA, and Safe Scale-to-Zerohttps://danielcosenza.com/posts/devops-keda-event-driven-autoscaling/https://danielcosenza.com/posts/devops-keda-event-driven-autoscaling/How KEDA turns queue and event metrics into pod or Job scaling, with authentication, timing controls, observability, backpressure, and production safeguards.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpskedakubernetesautoscalingKubernetes Gateway API: Separating Infrastructure, Routing, and Application Ownershiphttps://danielcosenza.com/posts/devops-kubernetes-gateway-api/https://danielcosenza.com/posts/devops-kubernetes-gateway-api/How GatewayClass, Gateway, and typed Route resources improve multi-team traffic management beyond a single overloaded Ingress object.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpskubernetesgateway-apinetworkingOpenTelemetry Collector Pipelines: Receivers, Processors, Exporters, and Failure Controlhttps://danielcosenza.com/posts/devops-opentelemetry-collector-pipelines/https://danielcosenza.com/posts/devops-opentelemetry-collector-pipelines/How to design Collector pipelines for metrics, logs, and traces without creating an unbounded queue, telemetry leak, or new single point of failure.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsopentelemetryobservabilitytelemetryTerraform State in Production: Backends, Locking, Drift, Import, and Recoveryhttps://danielcosenza.com/posts/devops-terraform-state-complete-guide/https://danielcosenza.com/posts/devops-terraform-state-complete-guide/A complete operational model for tfstate files: what they contain, how remote backends coordinate teams, and how to migrate or recover state without corrupting it.Sun, 12 Jul 2026 00:00:00 GMTSRE & DevOpsterraformtfstateinfrastructure-as-codeFixing a Failed or Stuck Helm Releasehttps://danielcosenza.com/posts/devops-fix-helm-release-failed/https://danielcosenza.com/posts/devops-fix-helm-release-failed/Recover a failed or pending Helm release by preserving evidence, inspecting revisions and resources, testing rollback, and avoiding unsafe secret edits.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsfixhelmkubernetesFixing ImagePullBackOff in Kuberneteshttps://danielcosenza.com/posts/devops-fix-imagepullbackoff/https://danielcosenza.com/posts/devops-fix-imagepullbackoff/Resolve Kubernetes ImagePullBackOff by classifying event errors, verifying immutable image identity, credentials, node networking, and runtime health.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsfixkubernetescontainersFixing a Kubernetes Node Stuck NotReadyhttps://danielcosenza.com/posts/devops-fix-node-not-ready/https://danielcosenza.com/posts/devops-fix-node-not-ready/Diagnose a Kubernetes NotReady node through conditions, leases, kubelet, runtime, storage, networking, and safe workload evacuation with evidence intact.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsfixkubernetesnodesFixing OOMKilled Containers with Correct Resource Limitshttps://danielcosenza.com/posts/devops-fix-oomkilled-containers/https://danielcosenza.com/posts/devops-fix-oomkilled-containers/Investigate Kubernetes OOMKilled containers with termination evidence, time-series memory data, runtime ceilings, node pressure, and load validation.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsfixkubernetesmemoryresource-limitsFixing Pods Stuck in Pending State in Kuberneteshttps://danielcosenza.com/posts/devops-fix-pending-pods/https://danielcosenza.com/posts/devops-fix-pending-pods/Diagnose Kubernetes Pending pods from scheduler events, requests, affinity, taints, storage, topology, quota, and admission without weakening safeguards.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsfixkubernetesschedulingFixing Terraform Provider Version Conflictshttps://danielcosenza.com/posts/devops-fix-terraform-provider-conflicts/https://danielcosenza.com/posts/devops-fix-terraform-provider-conflicts/Resolve Terraform provider constraint conflicts using the requirement tree, required_providers, committed lock selections, checksums, and tested upgrades.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsfixterraformprovidersHow to Set Up Canary Analysis with Automated Rollbackhttps://danielcosenza.com/posts/devops-howto-canary-automated-rollback/https://danielcosenza.com/posts/devops-howto-canary-automated-rollback/Configure Flagger canaries with metric gates, controlled traffic shifts, load tests, and automatic rollback while preserving operational safeguards.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpshowtocanaryflaggerkubernetesHow to Implement GitOps with ArgoCDhttps://danielcosenza.com/posts/devops-howto-gitops-argocd/https://danielcosenza.com/posts/devops-howto-gitops-argocd/Implement GitOps with Argo CD using pinned installation assets, constrained projects, safe automated sync, drift detection, and tested recovery.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpshowtogitopsargocdkubernetesHow to Set Up Kubernetes NetworkPolicieshttps://danielcosenza.com/posts/devops-howto-network-policies/https://danielcosenza.com/posts/devops-howto-network-policies/Deploy Kubernetes NetworkPolicies with verified CNI enforcement, default-deny baselines, explicit DNS access, namespace labels, and negative tests.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpshowtonetworkpolicykubernetessecurityHow to Configure Pod Disruption Budgets in Kuberneteshttps://danielcosenza.com/posts/devops-howto-pod-disruption-budgets/https://danielcosenza.com/posts/devops-howto-pod-disruption-budgets/Configure and test Kubernetes PodDisruptionBudgets for safe drains and upgrades without mistaking eviction limits for an availability guarantee.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpshowtokubernetespdbavailabilityHow to Set Up Prometheus and Grafana Monitoring for Kuberneteshttps://danielcosenza.com/posts/devops-howto-prometheus-grafana/https://danielcosenza.com/posts/devops-howto-prometheus-grafana/Deploy and validate kube-prometheus-stack with persistent storage, secure Grafana access, bounded cardinality, alert routing, and recovery tests.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpshowtoprometheusgrafanamonitoringHow to Write a Helm Chart from Scratchhttps://danielcosenza.com/posts/devops-howto-write-helm-chart/https://danielcosenza.com/posts/devops-howto-write-helm-chart/Build a reusable Helm chart with safe templates, documented values, schema validation, immutable images, release tests, and OCI packaging checks.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpshowtohelmkubernetespackagingDocker Donates containerd to the Cloud Native Computing Foundationhttps://danielcosenza.com/posts/devops-news-containerd-donated/https://danielcosenza.com/posts/devops-news-containerd-donated/Docker donated containerd to the CNCF in 2017, giving the ecosystem a neutral, focused runtime foundation later adopted directly by Kubernetes.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsnewscontainerdcncfKubernetes Removes Dockershim in Version 1.24https://danielcosenza.com/posts/devops-news-dockershim-removed/https://danielcosenza.com/posts/devops-news-dockershim-removed/Kubernetes 1.24 removed dockershim after a long deprecation, moving nodes to CRI-native runtimes without invalidating Docker-built OCI images.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsnewskubernetesdockershimHelm Is Born at the First KubeCon, Modeled on Homebrew and apthttps://danielcosenza.com/posts/devops-news-helm-created/https://danielcosenza.com/posts/devops-news-helm-created/Helm began at Deis in 2015, merged ideas with Deployment Manager, removed Tiller in Helm 3, and matured into Kubernetes package management.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsnewshelmkubernetespackagingThe Open Container Initiative Launches, Standardizing Container Formatshttps://danielcosenza.com/posts/devops-news-oci-founded/https://danielcosenza.com/posts/devops-news-oci-founded/The OCI launched in 2015 to standardize container images, runtime bundles, execution, and distribution across competing tools and vendors.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsnewsocicontainersstandardsPrometheus Joins the CNCF as Its Second Hosted Projecthttps://danielcosenza.com/posts/devops-news-prometheus-cncf/https://danielcosenza.com/posts/devops-news-prometheus-cncf/Prometheus became the CNCF's second hosted project in 2016, placing metrics and alerting beside orchestration at the center of cloud native systems.Sat, 11 Jul 2026 00:00:00 GMTSRE & DevOpsnewsprometheuscncfobservabilityHow to Set Up Centralized Logging for Kubernetes with the EFK Stackhttps://danielcosenza.com/posts/devops-howto-centralized-logging-elk/https://danielcosenza.com/posts/devops-howto-centralized-logging-elk/Build a production-minded Kubernetes logging pipeline with Fluent Bit, Elasticsearch, Kibana, secure transport, retention, and failure controls.Fri, 10 Jul 2026 00:00:00 GMTSRE & DevOpshowtologgingelasticsearchkubernetesHow to Set Up Secrets Management with HashiCorp Vaulthttps://danielcosenza.com/posts/devops-howto-vault-secrets/https://danielcosenza.com/posts/devops-howto-vault-secrets/Integrate Kubernetes workloads with HashiCorp Vault using scoped authentication, safe initialization, agent injection, rotation, and audit controls.Fri, 10 Jul 2026 00:00:00 GMTSRE & DevOpshowtovaultsecretssecurityHashiCorp's License Change Sparks the OpenTofu Forkhttps://danielcosenza.com/posts/devops-news-opentofu-fork/https://danielcosenza.com/posts/devops-news-opentofu-fork/HashiCorp's 2023 Terraform license change triggered the OpenTF fork, soon renamed OpenTofu and placed under Linux Foundation stewardship.Fri, 10 Jul 2026 00:00:00 GMTSRE & DevOpsnewsterraformopentofulicensingKubernetes Admission Controllers and Policy Enforcementhttps://danielcosenza.com/posts/devops-admission-control/https://danielcosenza.com/posts/devops-admission-control/How admission controllers intercept API requests before they're persisted, and how OPA/Gatekeeper turn that hook into cluster-wide policy enforcement.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpskubernetessecuritypolicyContainer Runtime Internals: containerd, CRI-O, and the OCI Spechttps://danielcosenza.com/posts/devops-container-runtime/https://danielcosenza.com/posts/devops-container-runtime/How the OCI runtime and image specs standardized what a 'container' actually is, and how containerd/CRI-O/runc fit together beneath Docker and Kubernetes.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpscontainerscontainerdocikubernetesDocker vs. Podman: Rootless Containers and the Daemon-less Architecturehttps://danielcosenza.com/posts/devops-docker-podman/https://danielcosenza.com/posts/devops-docker-podman/How Podman's daemon-less, fork-exec architecture differs from Docker's client-daemon model, and what that means for rootless containers in production.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsdockerpodmancontainersDiagnosing and Fixing CrashLoopBackOff in Kuberneteshttps://danielcosenza.com/posts/devops-fix-crashloopbackoff/https://danielcosenza.com/posts/devops-fix-crashloopbackoff/Diagnose Kubernetes CrashLoopBackOff from events, previous logs, exit status, probes, configuration, and controlled debugging without erasing evidence.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsfixkubernetescontainersFixing 'No Space Left on Device' from Docker Image and Container Builduphttps://danielcosenza.com/posts/devops-fix-docker-disk-space/https://danielcosenza.com/posts/devops-fix-docker-disk-space/Recover Docker disk space methodically by measuring images, containers, caches, volumes, and logs before pruning, then add safe recurrence controls.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsfixdockercontainersRecovering from a Stuck Terraform State Lockhttps://danielcosenza.com/posts/devops-fix-terraform-state-lock/https://danielcosenza.com/posts/devops-fix-terraform-state-lock/terraform plan or apply hangs, then fails with 'Error acquiring the state lock.' Here's how to confirm it's genuinely stale before force-unlocking it.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsfixterraformiacThe History of DevOps and SRE: Two Separate Movements That Convergedhttps://danielcosenza.com/posts/devops-history/https://danielcosenza.com/posts/devops-history/How Google's SRE practice in 2003 and the DevOps movement in 2009 emerged independently, solved related delivery problems, and later converged.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpshistorydevopssreHow to Implement Blue-Green and Canary Deployments in Kuberneteshttps://danielcosenza.com/posts/devops-howto-blue-green-canary/https://danielcosenza.com/posts/devops-howto-blue-green-canary/A practical Kubernetes guide to blue-green cutovers and cautious canary releases, with health gates, rollback checks, and routing caveats.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpshowtokubernetesdeploymentsHow to Set Up a CI/CD Pipeline with GitHub Actionshttps://danielcosenza.com/posts/devops-howto-github-actions-cicd/https://danielcosenza.com/posts/devops-howto-github-actions-cicd/Create a secure GitHub Actions pipeline that tests, builds, attests, and deploys immutable container images through OIDC and protected environments.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpshowtocicdgithub-actionsHow to Set Up Horizontal Pod Autoscaling in Kuberneteshttps://danielcosenza.com/posts/devops-howto-hpa/https://danielcosenza.com/posts/devops-howto-hpa/Configure Kubernetes HPA with verified metrics, resource requests, scaling behavior, load tests, and capacity safeguards for reliable autoscaling.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpshowtokubernetesautoscalingHow to Set Up a Local Kubernetes Cluster with kindhttps://danielcosenza.com/posts/devops-howto-kind-local-cluster/https://danielcosenza.com/posts/devops-howto-kind-local-cluster/Create a reproducible local Kubernetes cluster with kind, load development images safely, expose services, test multiple nodes, and clean up.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpshowtokuberneteskindlocal-developmentInfrastructure as Code: Terraform State, Drift, and Idempotencyhttps://danielcosenza.com/posts/devops-iac-terraform/https://danielcosenza.com/posts/devops-iac-terraform/Why Terraform's state file is the actual source of truth behind every plan and apply, and how drift, locking, and idempotency all follow from that design.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsterraformiaccloudContainer Image Vulnerabilities: Scanning, CVEs, and Supply Chain Riskhttps://danielcosenza.com/posts/devops-image-vulnerabilities/https://danielcosenza.com/posts/devops-image-vulnerabilities/How vulnerability scanners actually inspect container image layers, how to read a scan report, and the practices that reduce real supply-chain risk.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpssecuritycontainersvulnerabilitiessupply-chainUnderstanding Kubernetes Networking: Services, kube-proxy, and CNI Pluginshttps://danielcosenza.com/posts/devops-k8s-networking/https://danielcosenza.com/posts/devops-k8s-networking/How pod-to-pod networking, Services, and kube-proxy's packet rewriting fit together to make Kubernetes' flat network model actually work.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpskubernetesnetworkingcontainersHow the Kubernetes Scheduler Actually Places Workloadshttps://danielcosenza.com/posts/devops-k8s-scheduling/https://danielcosenza.com/posts/devops-k8s-scheduling/The two-phase filter-and-score process the Kubernetes scheduler uses to decide which node a pod lands on, and how to influence it.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpskubernetesschedulingcontainersBuilding Minimal, Secure Container Imageshttps://danielcosenza.com/posts/devops-minimal-images/https://danielcosenza.com/posts/devops-minimal-images/How multi-stage builds, distroless bases, secret-safe caching, non-root execution, and layer inspection produce smaller, auditable runtime images.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpscontainersdockersecuritySolomon Hykes Demos Docker Publicly for the First Timehttps://danielcosenza.com/posts/devops-news-docker-pycon/https://danielcosenza.com/posts/devops-news-docker-pycon/At PyCon on March 15, 2013, dotCloud co-founder Solomon Hykes introduced Docker to the world, ahead of the company's later pivot to focus on it entirely.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsnewsdockercontainersdotCloud Renames Itself Docker, Inc.https://danielcosenza.com/posts/devops-news-docker-rename/https://danielcosenza.com/posts/devops-news-docker-rename/On October 29, 2013, dotCloud announced it was scaling back its original PaaS business and renaming the company entirely around its container tooling.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsnewsdockercontainersKubernetes 1.0 Ships, and Google Donates It to the New CNCFhttps://danielcosenza.com/posts/devops-news-k8s-10/https://danielcosenza.com/posts/devops-news-k8s-10/Kubernetes 1.0 arrived in July 2015 as Google placed the project with the newly launched CNCF, anchoring a vendor-neutral ecosystem.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsnewskubernetescncfObservability in Cloud-Native Systems: Metrics, Logs, and Traceshttps://danielcosenza.com/posts/devops-observability/https://danielcosenza.com/posts/devops-observability/How the three pillars of observability complement each other, and why having all three matters more than maximizing any single one.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpsobservabilitymonitoringcloud-nativeSLOs, SLIs, and Error Budgets: The Math Behind SRE Decision-Makinghttps://danielcosenza.com/posts/devops-slo-error-budget/https://danielcosenza.com/posts/devops-slo-error-budget/How Service Level Indicators, Objectives, and error budgets turn 'be reliable' into a concrete, measurable number that actually drives engineering decisions.Thu, 09 Jul 2026 00:00:00 GMTSRE & DevOpssresloreliability