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Discussions center on practical Docker usage and learning—handling Docker storage/compose data, sizing and best practices, and networking (e.g., giving containers their own VLAN IPs). A secondary thread focuses on entry-level deployment questions, such as running Docker without Docker and learning resources for 2026.

Also known as docker engine·docker desktop·docker compose·docker 29

0.7 Activity score down · 3d
5.8 Peak score 3d window
Neutral Sentiment
3 Sources · 12 signals
Last updated · next ~03:00
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Key Takeaway People are mainly trying to solve real-world Docker setup issues—especially storage/compose behavior, image sizing, and networking—while seeking structured ways to learn Docker going forward.
AI summary · grounded in cited sources
Sourcesr/unRAIDr/dockerView all sources →
Docker storage & compose Learning and resources Networking & VLAN docker engine docker desktop
Neutral 52/100
Themes
Docker storage & composeLearning and resources
+1 adjacent themes
Networking & VLAN
AI Brief

People are mainly trying to solve real-world Docker setup issues—especially storage/compose behavior, image sizing, and networking—while seeking structured ways to learn Docker going forward.

Discussions center on practical Docker usage and learning—handling Docker storage/compose data, sizing and best practices, and networking (e.g., giving containers their own VLAN IPs). A secondary thread focuses on entry-level deployment questions, such as running Docker without Docker and learning resources for 2026.

Trending Activity ▼ -0.9 24h
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Briefing Findings · People are mainly trying

Story-specific findings extracted from this briefing's coverage. Fast Facts in the sidebar holds the canonical reference data (CEO, founded, ticker).

topic: compose volumes Deleting a Docker vDisk allegedly also deleted volumes from a Docker Compose Manager.
topic: disk/raw resizing A thread asks about resizing docker.raw.
topic: learning timeline A request asks for resources to learn Docker in 2026.

What to Watch

  • Follow the r/docker threads for ongoing answers on when Docker Compose setups outgrow simple workflows. r/docker
  • Check for more community guides on Docker storage behavior (vDisk/volumes) and disk resizing like docker.raw. r/unRAID

What Changed

  • Deleting Docker vDisk Also Deleted Volumes From Docker Compose Manager? r/unRAID
  • Resizing docker.raw? r/docker
  • At what point did you outgrow Docker Compose? r/docker
  • Docker Business Certificate / Training r/docker
Source-backed brief Tracked across 3 sources · brief is source backed Show all sources
r/unRAID r/docker WunderTech

Latest from across the web

External coverage we have crawled and indexed for this topic.

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Docker bypasses your firewall silently, and most home labs don't realize it

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I kept waiting for Docker to fail, but nineteen containers on bare metal proved Proxmox wrong

The hypervisor I never actually needed.

13d ago Shekhar Vaidya

What each outlet is saying

Source-by-source view of what publications and communities are surfacing right now.

Discovery

Videos

Topic-matched media from the channels we track
Dockhand: A Smarter, Safer Docker Manager Christian Lempa My Docker Containers Finally Live on the Right VLANs WunderTech A Better Way to Run Docker Apps on TrueNAS Techno Tim Run AI Models with Docker - No Setup, No Headaches Techno Tim How to Add Docker & Jellyfin Functionality to the UNAS Pro with a Mini PC Home Server WunderTech Host Your Own AI Code Assistant with Docker, Ollama and Continue! Wolfgang's Channel

Discussions on the web

Recent threads on Reddit and Hacker News that mention Docker.

More in search →
r/docker · u/Buckbeak · 

container update causes eventual system hang

I run about 6 containers on Linux Ubuntu. When I don't update the containers, the system runs more or less indefinitely. If I update any containers with: cd directory-with-compose-yaml-for-that-container/ docker compose …
r/docker · u/yeaahnop · 

docker updates (.deb packages)

What is docker updating on the deb (others) packages? they seem to have several updates per week. is it bug fixes, and development, or some sort of key/other sec variable update? thanks in advance curious user
r/docker · u/DangerousProfile3575 · 

Random bind mounts on WSL2

I have some containers running for production with Docker Desktop in Windows Server 2022 (WSL2 backend), and every time the system is rebooted (because they want the system to run only when it is used, so it is shut down…
r/docker · u/Patient-You9718 · 

Docker Business Certificate / Training

Hi there, Since I am currently doing a lot of testing with Docker in my homelab and trying to learn it on my own, I was wondering if you could recommend any business-relevant training courses or certifications. I would s…
r/docker · u/poro_8015 · 

TIL you can set cpus as a decimal in compose and it actually works

been throwing whole numbers at it for years, turns out 0.5 or 1.5 just works fine

People also ask

Common questions on Docker, surfaced from across the indexed web.

What is Docker macvlan used for?

Docker macvlan gives containers their own MAC address and IP address on your physical network, eliminating the need for NAT or port mapping. It’s most useful when a container needs to appear as a real device on a specific subnet — common for Wake-on-LAN tools, network scanners, and IoT management containers that need to be on a dedicated VLAN.

Docker Macvlan on a VLAN: Give Containers Their Own IP - WunderTech
Can a Docker macvlan container communicate with the host?

Not by default. Macvlan isolates the container from the host at the network level, so the container can talk to other devices on the VLAN but not the machine it’s running on. To work around this, you can create a macvlan interface on the host side as well (sometimes called a shim interface), which gives the host an IP on the macvlan network.

Docker Macvlan on a VLAN: Give Containers Their Own IP - WunderTech
What’s the difference between macvlan and bridge networking in Docker?

With bridge networking, containers share the host’s IP and use NAT to reach the outside world. With macvlan, each container gets its own IP directly on your physical network — no NAT, no port forwarding. Macvlan behaves more like adding a new device to your network, while bridge networking behaves more like a software router sitting between the container and your LAN.

Docker Macvlan on a VLAN: Give Containers Their Own IP - WunderTech
Why is my macvlan container unreachable even though Docker shows it running?

The most likely cause is a VLAN tagging gap somewhere in the chain. Check that: (1) the VLAN subinterface on the host is up (ip link show), (2) the Docker macvlan network is using the subinterface as parent — not the raw physical interface, (3) the upstream switch port is configured as a trunk that allows your VLAN, and (4) the IP you assigned isn’t conflicting with another device on that VLAN.

Docker Macvlan on a VLAN: Give Containers Their Own IP - WunderTech
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