r/docker

Community Overview

About r/docker

Docker is an open-source project to easily create lightweight, portable, self-sufficient containers from any application. The same container that a developer builds and tests on a laptop can run at scale, in production, on VMs, bare metal, OpenStack clusters, public clouds and more.

The community at a glance

r/docker is a Subreddit for Self-Hosters with roughly 324K members. It uses a forum format for communication. It also includes courses or structured learning. On the Hive Index it ranks #5 in the Self-Hosting communities list.

Roughly 36K members have joined in the past year. Popular discussion topics include Docker, Docker Container, and Docker Network. Common discussion themes are Solution Requests and Ideas. Product recommendations often mention iptv and docker tutorial.

On Reddit
324K Members

Community Features

This community has a forum

This community offers educational courses

Subreddit Analysis

via GummySearch
Yearly: +36K members
Growth: +12.3% / year

Member growth over time

All time (yearly)

  • 2014: 3K members
  • 2015: 4K members
  • 2016: 6K members
  • 2017: 10K members
  • 2018: 26K members
  • 2019: 30K members
  • 2020: 41K members
  • 2021: 26K members
  • 2023: 40K members
  • 2024: 34K members
  • 2025: 77K members
  • 2026: 28K members

Past year (monthly)

  • Nov: 4K members
  • Dec: 3K members
  • Jan: 4K members
  • Feb: 3K members
  • Mar: 3K members
  • Apr: 3K members
  • May: 3K members
  • Jun: 3K members
  • Jul: 3K members
  • Aug: 3K members
  • Sep: 2K members
  • Oct: 1K members

Themes

  • Solution Requests
    6 posts in the past month
    1. I need assistance assigning an IPV6 address to a container on a macvlan network
    2. How to get my WSL2 ext4.vhdx file to free up space?
    3. What’s the cheapest stack to develop and run a web app
    #1
    Solution Requests
    I need assistance assigning an IPV6 address to a container on a macvlan network · How to get my WSL2 ext4.vhdx file to free up space? · What’s the cheapest stack to develop and run a web app
    6
  • Ideas
    4 posts in the past month
    1. Homedex: a read-only inventory of what runs where on my home server (Docker, SSH hosts, Traefik/Caddy/NPM/nginx, Tailscale), MIT
    2. Review enhancements to containers
    3. I built a Docker-over-SSH management layer — interested in how other admins handle this
    #2
    Ideas
    Homedex: a read-only inventory of what runs where on my home server (Docker, SSH hosts, Traefik/Caddy/NPM/nginx, Tailscale), MIT · Review enhancements to containers · I built a Docker-over-SSH management layer — interested in how other admins handle this
    4
  • Pain & Anger
    4 posts in the past month
    1. Docker WSL Folder Taking up Too Much Storage
    2. Are all these Docker Labspaces & guides outdated or broken?
    3. Rage-quit docker ps after the 100th time it truncated my container names — built a proper TUI replacement instead
    #3
    Pain & Anger
    Docker WSL Folder Taking up Too Much Storage · Are all these Docker Labspaces & guides outdated or broken? · Rage-quit docker ps after the 100th time it truncated my container names — built a proper TUI replacement instead
    4
  • Advice Requests
    3 posts in the past month
    1. Need advice regarding container isolation
    2. What makes you give up on a self-hosted app during setup?
    3. How to Dockerize an application with a rather non-standard architecture?
    #4
    Advice Requests
    Need advice regarding container isolation · What makes you give up on a self-hosted app during setup? · How to Dockerize an application with a rather non-standard architecture?
    3

Topics

  • Docker
    63 posts in the past month
    1. Docker Swarm in production: Are databases a complete No-Go, or am I doing it wrong?
    2. Docker with no Rosetta 2?
    3. Looking to replace Portainer for Docker Swarm — does Dockhand actually handle Swarm, or just multi-host Docker?
    #1
    Docker
    Docker Swarm in production: Are databases a complete No-Go, or am I doing it wrong? · Docker with no Rosetta 2? · Looking to replace Portainer for Docker Swarm — does Dockhand actually handle Swarm, or just multi-host Docker?
    63
  • Docker Container
    16 posts in the past month
    1. Trouble with MakeMKV inside of a docker container (Automatic Ripping Machine specifically)
    #2
    Docker Container
    Trouble with MakeMKV inside of a docker container (Automatic Ripping Machine specifically)
    16
  • Docker Network
    3 posts in the past month
    1. How to properly decide between Bridge or Host network mode?
    2. How far should a Docker-based learning lab go in enforcing per-service network policy?
    3. What would cause containers to stop getting resolve.conf from host system on reboot?
    #3
    Docker Network
    How to properly decide between Bridge or Host network mode? · How far should a Docker-based learning lab go in enforcing per-service network policy? · What would cause containers to stop getting resolve.conf from host system on reboot?
    3
  • Database
    2 posts in the past month
    #4
    Database
    2
  • Management
    2 posts in the past month
    #5
    Management
    2

Flair

  • Approved
    1 post in the past month
    1. How far should a Docker-based learning lab go in enforcing per-service network policy?
    #1
    Approved
    How far should a Docker-based learning lab go in enforcing per-service network policy?
    1
  • Mod Approved
    1 post in the past month
    1. Building a local-first DIY web app deployment CLI and Docker templates
    #2
    Mod Approved
    Building a local-first DIY web app deployment CLI and Docker templates
    1

Product recommendations

  • iptv
    9 posts in the past month
    1. I Finally Found the Best IPTV Service That Truly Delivers After Endless Searching! Top Choice (Honest Review)
    2. Best IPTV Canada Reddit
    3. Best IPTV Canada Reddit
    #1
    iptv
    I Finally Found the Best IPTV Service That Truly Delivers After Endless Searching! Top Choice (Honest Review) · Best IPTV Canada Reddit · Best IPTV Canada Reddit
    9
  • docker tutorial
    2 posts in the past month
    1. Recommend Docker tutorial
    2. Can anyone recommend a good Docker tutorial?
    #2
    docker tutorial
    Recommend Docker tutorial · Can anyone recommend a good Docker tutorial?
    2

Frequently asked questions

Who is r/docker for?
Best for Self-Hosters enthusiasts looking for a Reddit-based community with forum discussion.
Is r/docker free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/docker have?
Roughly 324K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/docker on?
r/docker runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/docker cover?
On the Hive Index, r/docker is organized under Self-Hosters.
How do I join r/docker?
You can join r/docker by clicking this link, or pressing the "Go to community" button above.
What are the Self-Hosting communities like?
Communities for people running their own servers, home labs, and self-hosted applications. Reddit dominates with massive communities for home automation, self-hosted media servers, and container orchestration, covering everything from beginner setup to advanced homelab builds.