Tag: docker

Network aliases give containers multiple DNS names. Perfect for blue-green deploys and service discovery patterns.

Access services on the host machine from inside a Docker container using host-gateway or host.docker.internal, no hardcoded IPs.

Learn how to set Docker resource limits for memory, CPU, swap, and PIDs. Practical guide with real-world sizing examples, OOM killer behavior, and cgroups explained.

The -v and --mount flags for Docker volumes explained, bind mounts vs named volumes, read-only, propagation, and tmpfs options.

COPY and ADD look similar but ADD auto-extracts tarballs and fetches URLs, know when each is appropriate and why COPY is usually better.

Add load balancing and failover to your Docker setup using Swarm, nginx, HAProxy, and Keepalived, high availability without Kubernetes.

Shell globbing breaks inside docker exec because of how args are parsed, here's how to pass wildcards and asterisks correctly.

Self-host Nextcloud in Docker with persistent storage and a reverse proxy, your own Google Drive without the Google.

Move Docker images between hosts without a registry using docker save and docker load, air-gapped deployments made simple.

Wire up QSV, VAAPI, or NVENC in Immich so face recognition and thumbnails run on the GPU, not your CPU. Step-by-step for Intel, AMD, and Nvidia.

Immich vs PhotoPrism compared side-by-side: mobile app, ML face detection, Docker setup, and the real gotchas before you ditch Google Photos for good.

Get Caddy running as a reverse proxy in Docker, automatic HTTPS, Caddyfile config, and Docker Compose setup in under 10 minutes.