ntfy Self-Hosted Push Notification Server for Homelab Alerts
Deploy ntfy.sh on Docker for push notifications across your entire homelab. From Uptime Kuma to Prometheus Alertmanager, get real-time mobile alerts for everything with a single HTTP POST.
Docker
Podman Rootless Containers — A Docker Alternative for Homelab
Run containers without a root daemon. Migrate your homelab from Docker to Podman for true rootless operation, systemd-native container management, and drop-in docker CLI compatibility.
Docker Supply Chain Security — SBOM, Image Signing, and Verification
Practical guide to securing your container supply chain in the homelab: generate SBOMs with Syft, sign images with Cosign, scan for vulnerabilities with Grype, and enforce Docker Content Trust.
Docker Compose YAML Anchors & Extensions — DRY Multi-Service Deployments
Stop copying config between services. Use YAML anchors, x-blocks, and fragment merging to write clean, DRY docker-compose files for your homelab. Practical patterns with real examples.
Docker Container Graceful Shutdown — Signals, Stop Grace Period, and Trap Handlers
Configure proper graceful shutdown for Docker containers in your homelab. Covers stop signals, stop_grace_period, init process management with tini/dumb-init, and SIGTERM trap handlers to prevent data corruption during restarts.
Docker Storage Quotas — Check the Backend and the Data Path First
Distinguish classic overlay2 writable-layer limits from application volume quotas and plan XFS changes without deleting Docker data.
acme.sh Let's Encrypt Certificates for Homelab Docker Services
Automate Let’s Encrypt SSL/TLS certificates in your homelab using acme.sh and Docker. Includes DNS-01 wildcard certs, auto-renewal, and integration with Traefik, Nginx Proxy Manager, and Caddy.
Linux auditd Security Auditing — Monitor Proxmox and Docker Activity
Configure Linux auditd to watch container starts, file changes, and Proxmox host activity. Includes auditctl rules, ausearch queries, and Docker integration for comprehensive homelab security auditing.
Docker Proxy Configuration Guide — HTTP/HTTPS Proxy for Containers
Configure HTTP/HTTPS proxy for Docker daemon, CLI, and individual containers in your homelab. Covers systemd drop-in overrides, daemon.json settings, Docker Compose proxy variables, and the critical NO_PROXY configuration to avoid breaking internal container communication.
Docker Compose Startup Dependencies and Init Container Patterns
A practical guide to Docker Compose startup ordering — covering depends_on conditions, healthcheck-based readiness, init container patterns with wait-for-it, and real-world compose examples for multi-service homelab stacks.