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Insights
Concepts, decision points, troubleshooting patterns, and operator-facing field notes.
Topic Hub
Containers
Docker, Kubernetes, ingress, container runtimes, and service networking.
Use this hub as a cross-surface map: start with insights for this topic, then branch into supporting tools, drills, and implementation work as needed.
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How To Use This Hub
14 Insights0 Toolchest17 Labs
Support Surface
Toolchest
Checklists, scripts, templates, and evidence packs you can use once the path is clear.
Support Surface
Labs
Hands-on build guides and validation environments for testing ideas end to end.
Insights
Insights that frame Containers
Insightschanges-system-state
Accelerating Discovery for Stuck Switches in Stack
Use this when stacked switches stall during discovery or initialization.
Insightssecurity-sensitive
Resolving Azure SAS Tokens Returning 403 Authorization Failure
Use this when an Azure Storage SAS URL returns 403 even though the token looks valid.
Insightschanges-system-state
Troubleshooting 'Error Reading File Content' in Helm Template on Kubernetes
Use this when Helm template rendering fails with an Error reading file content message.
Insightsreview-before-running
Troubleshooting AWS Amplify GitHub Repository Reconnection After Ownership Transfer
Use this when AWS Amplify cannot reconnect to a GitHub repository after an ownership transfer or redirect change.
Insightssecurity-sensitive
Troubleshooting Azure Application Gateway: Fixing DNS Configuration to Resolve Internal Container App Connection Issues
Use this when Azure Application Gateway cannot reach an internal container app because DNS or outbound path resolution is wrong.
Insightschanges-system-state
Troubleshooting DNS Issues in Docker: Unable to Get Image Due to Lookup Failure
Use this when Docker fails to pull images because name resolution breaks inside the container runtime.
Insightsreview-before-running
Troubleshooting Docker Container Communication Issues: Ping vs HTTP Requests
Use this when two Docker containers can resolve or ping each other but application traffic still fails over HTTP.
Insightschanges-system-state
Troubleshooting Docker Container Exit Code 0 and Dependency Failures
Use this when a Docker container exits with code 0 but the service was expected to stay running.
Insightschanges-system-state
Troubleshooting Flutter Doctor Timeout in Docker VSCode DevContainer
Timeout issues with Flutter Doctor in a Docker VSCode DevContainer can often be resolved by checking network settings and adjusting resource limits.
Insightschanges-system-state
Troubleshooting Git Clone Authentication Failures Inside Docker
Use this when git clone works on the host but fails inside a Docker build or running container.
Insightschanges-system-state
Troubleshooting Keycloak Startup Issues on Azure Container App Due to Probe Failures
Keycloak may fail to start on Azure Container App due to health probe misconfigurations or resource limitations.
Insightschanges-system-state
Troubleshooting Kubernetes Webhook Timeout: No Endpoints Available for AWS LB Controller and External Secrets during ArgoCD Sync
Use this when ArgoCD sync stalls on webhook timeouts or no endpoints available for the AWS Load Balancer Controller or External Secrets.
Insightssecurity-sensitive
Troubleshooting NuGet Source Addition in Dockerfile for .NET Applications
NET Docker build cannot add or use a NuGet source during image creation.
Insightssecurity-sensitive
Troubleshooting RustRover Remote Docker Connections over SSH
Use this when RustRover cannot connect to a remote Docker host over SSH.
Labs
Labs and build work for Containers
LabsVirtualization and ContainersDocker StacksIntermediate
Build a Homelab CI Pipeline for Docker Services with Rollback Support
A practical setup for a Continuous Integration (CI) pipeline in your homelab that automatically deploys Docker services from GitHub repositories and includes rollback capabilities.
LabsSelf-Hosted Services and ProductivityService Portals and MediaIntermediate
Build a Lightweight Internal Git and Script Catalog with Gitea
A practical setup for a lightweight internal Git repository and script catalog using Gitea, a self-hosted Git service.
LabsMonitoring and ObservabilityLogs and AlertingIntermediate
Build a Log Aggregation Starter Lab with Loki, Grafana, and Service-Specific Dashboards
Set up a starter log stack with Loki and Grafana so service logs land in one place and can be checked during incidents.
LabsSelf-Hosted Services and ProductivityService Portals and MediaIntermediate
Build a Media Utility Server with Jellyfin
A Jellyfin media utility server with metadata automation, storage hygiene checks, and a repeatable layout for home media libraries.
LabsVirtualization and ContainersDocker StacksIntermediate
Build a Raspberry Pi Container Host with Docker Compose
A Raspberry Pi Docker Compose host with health checks, safer update habits, and a small-service layout that is easy to maintain.
LabsVirtualization and ContainersRaspberry Pi HostingIntermediate
Build a Raspberry Pi Environmental Monitor for Rack Temperature, Power State, and Service Alerts
By following this guide, you will create a Raspberry Pi-based environmental monitor that tracks rack temperature, power state, and provides service alerts.
LabsPowerShell and Admin AutomationReporting and AuditsIntermediate
Build a Reproducible Devcontainer Environment for PowerShell, Terraform, and Azure CLI
Build a reproducible devcontainer for PowerShell, Terraform, and Azure CLI work so the toolchain is easy to rebuild.
LabsSelf-Hosted Services and ProductivityDocs and File WorkflowsIntermediate
Build a Self-Hosted Password Vault Lab with Vaultwarden
A self-hosted Vaultwarden password vault with backups, recovery notes, and practical safeguards for family use.
LabsRemote Access and SecurityIdentity and SecretsIntermediate
Build a Small Identity Lab with Authentik and Keycloak
Build a small identity lab with Authentik and Keycloak so you can test SSO flows, admin access, and recovery steps safely.
LabsVirtualization and ContainersDocker StacksIntermediate
Create a Docker-based Reverse Proxy Stack with Nginx Proxy Manager and Automatic TLS Certificates
Set up a Docker-based Nginx Proxy Manager stack for internal services that need repeatable TLS and routing.
LabsMonitoring and ObservabilityUptime and StatusIntermediate
Create a Homelab Uptime Dashboard with Docker, Grafana, and Simple Service Health Checks
A practical setup for a homelab uptime dashboard using Docker and Grafana.
LabsSelf-Hosted Services and ProductivityDocs and File WorkflowsIntermediate
Create a Lightweight k3s Lab for Self-Hosted Services
By following this guide, you will set up a lightweight k3s cluster capable of running self-hosted services with ingress and persistent volumes.
LabsSelf-Hosted Services and ProductivityDocs and File WorkflowsIntermediate
Create a Self-Hosted Document Workflow with Paperless-ngx, OCR, and Backup Validation
Build a self-hosted Paperless-ngx workflow that turns scanned documents into searchable records and includes a backup check you can repeat.
LabsMonitoring and ObservabilityUptime and StatusIntermediate
Create an Uptime Kuma and Grafana Homelab Monitor with Status Pages and Escalation Rules
A homelab monitoring stack that pairs Uptime Kuma status checks with Grafana views, status pages, and escalation rules.
LabsVirtualization and ContainersVirtualization PlatformsIntermediate
Proxmox Starter Cluster Guide with Templates, Backups, and Service Placement Rules
Build a small Proxmox starter cluster with templates, backups, and placement rules you can reuse for later services.
LabsVirtualization and ContainersRaspberry Pi HostingIntermediate
Raspberry Pi Home Assistant Utility Node with MQTT and Zigbee2MQTT
Turn a Raspberry Pi into a Home Assistant utility node for MQTT and Zigbee2MQTT with an update path you can repeat.
LabsSelf-Hosted Services and ProductivityDocs and File WorkflowsIntermediate
Self-Hosted Dashboard Homepage for Homelab Services
Create a self-hosted dashboard that provides live status tiles for your homelab services and quick access to maintenance links.