.NET on Kubernetes

• 2026-03-084 min

  Multi-stage Dockerfile for .NET: build once, run lean

  Three-stage pattern with restore/build/runtime layers, cache optimization by separating project files from source code, non-root user, readOnlyRootFilesystem, BuildKit registry caching in GitLab CI.

  dockerdotnetdevopssecurity

• 2026-03-133 min

  OpenTelemetry in .NET: traces, metrics, and logs with minimal boilerplate

  OTel SDK setup in Program.cs, Prometheus exporter for /metrics, custom ActivitySource spans, custom Meter counters and histograms, OTLP exporter, and OTel Collector HelmRelease.

  dotnetobservabilityopentelemetrykubernetes

• 2026-03-173 min

  ELK in Kubernetes: Elasticsearch, APM Server, and Kibana

  ELK stack via Helm in FluxCD, Elastic APM agent in .NET with zero-code auto-instrumentation, index lifecycle management, and correlating logs with APM service maps in Kibana.

  kubernetesobservabilityelasticsearchdotnet

• 2026-05-286 min

  SonarQube in GitLab CI: dotnet-sonarscanner and coverage delta

  GIT_DEPTH:0 for blame, custom SDK image per service via rules variables override, dotnet-coverage collection, coverage delta check against last successful pipeline via GitLab API.

  cicddotnetgitlabsecurity

• 2026-05-296 min

  NuGet library CI: versioning from branch name and dual-registry publish

  dotnet pack with version from branch name, push to GitLab Package Registry via CI_JOB_TOKEN, selective publish to Artifactory for stable releases with manual gate and user restriction.

  cicddotnetgitlabdevops

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