25 docs tagged with "docker"

The best Docker containers to self-host in 2026 for home servers, home labs and developers — dashboards, ad blockers, media servers, and dev tools, with the top pick in each category.

Where should you host your Docker containers? A comparison of cheap VPS providers (Hetzner, DigitalOcean) vs. PaaS options for 2025.

A guide and examples for converting complex docker run commands into clean docker-compose.yml files.

Reference for extra_hosts in Docker Compose. Map host-gateway to reach host.docker.internal on Linux, mock DNS, use IPv6, and fix common errors.

How networks work in Docker Compose — the default network, service name DNS, custom and external networks, isolating a database, and why one container cannot reach another.

How port mapping works in Docker Compose — ports vs expose, host:container syntax, binding to an interface, ranges, and why your port isn't reachable.

How to restart Docker Compose services and set restart policies — restart vs up, the no/always/on-failure/unless-stopped options, and restarting one service.

Copy-paste ready Docker Compose templates for common stacks: Node+Postgres, Python+Redis, WordPress, and more.

How Docker Compose volumes work — named volumes vs bind mounts, syntax, persisting data, sharing data between services, and backups, with copy-paste examples.

Learn how to use 'docker compose watch' for hot-reloading and faster development cycles.

Use a locally built Docker image in Compose without pushing to a registry. build vs image, pull_policy: never, and fixing 'manifest not found' errors.

Understand Docker's host networking mode, when to use --network host, and how to access local services using host.docker.internal on Linux, Mac, and Windows.

Run Docker on a Synology NAS with Container Manager (DSM 7.2+): install the package, map volumes so data survives, avoid DSM port conflicts, and run a docker-compose.yml as a Project.

Understand the difference between Docker and Docker Compose, and when to use each.

Fix 'E: Unable to locate package docker-compose-plugin' in 5 commands. Copy-paste steps for Ubuntu 20.04/22.04/24.04 and Debian 11/12, plus the 3 error variants (no installation candidate, dpkg overwrite, docker-compose-v2).

Docker and container glossary: essential terms, concepts, and commands with clear definitions.

How to use docker cp to copy files and directories between your host machine and Docker containers, with examples and permission fixes.

Step-by-step guide to install Docker and Docker Compose on Ubuntu 22.04, 24.04, and macOS. Includes troubleshooting for common errors.

A working docker-compose.yml for Komga, the open-source comics, manga, and eBook server — persistent volumes, port 25600, permissions, and a Caddy HTTPS example.

How to run Docker inside Proxmox LXC containers. Covers the nesting + keyctl config, privileged vs unprivileged containers, and ZFS storage drivers.

Run your own private Docker registry with Docker Compose. registry:2 setup, HTTPS via Caddy, basic auth, listing images, and garbage collection.

How to ensure your Docker Compose services start automatically when your server reboots.

Self-host Supabase with Docker Compose: clone the repo, set JWT_SECRET, ANON_KEY and SERVICE_ROLE_KEY, start all 7 services, and reach Studio on port 3000 and the API gateway on port 8000.

A working docker-compose.yml for Trilium Notes — the persistent data volume, port 8080, a Caddy HTTPS example, and the reverse-proxy setting that stops Trilium from crashing on startup.

How to update your Docker Compose services to the latest image versions.