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r/docker is a subreddit with 280k members. Its distinguishing qualities are that the community is huge in size, and has high activity.
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.
Popular Themes in r/docker
#1
Solution Requests
: "Docker in prod in 2025 - is K8s 'the way'"
58 posts
#2
Advice Requests
: "Should i just start using Docker?"
21 posts
#3
Self-Promotion
: "Introducing DockedUp: A Live, Interactive Docker Dashboard in Your Terminal 🐳"
3 posts
#4
Pain & Anger
: "Updated ubuntu to 24, worked, updated the docker containers, and now get an error"
2 posts
#5
Ideas
: "Docker Compose on M1 Mac mini suddenly won't pull images"
1 post
#6
News
: "Introducing Docker Hardened Images: Secure, Minimal, and Ready for Production"
1 post
Popular Topics in r/docker
#1
Docker
: "Docker cheat sheet"
219 posts
#2
Container
: "Container Image Hardening Specification"
37 posts
#3
Compose
: "Any better solution than having a dev and a prod docker Compose?"
14 posts
#4
Image
: "Best practices for data storage in Docker – move volumes/Images to another disk or just use bind mounts?"
11 posts
#5
Windows
: "Docker Performance on Windows vs Mac"
7 posts
#6
Swarm
: "Docker Swarm vs compose for multi Node setup"
6 posts
#7
Networking
: "docker Networking best practice to avoid subnet conflict with production"
6 posts
#8
Question
: "Container Noob Question - Command Line or GUI Tool?"
6 posts
#9
Security
: "Is spawning containers from a Dockerized manager worth the Security tradeoff vs just spawning processes?"
5 posts
#10
Setup
: "Which approach is better for running Django Setup tasks in a containerized environment?"
4 posts
Member Growth in r/docker
Yearly
+76k members(37.6%)
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