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r/docker is a subreddit with 278k 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'"
50 posts
#2
Advice Requests
: "How do you dockerize your java application ?"
18 posts
#3
Pain & Anger
: "Updated ubuntu to 24, worked, updated the docker containers, and now get an error"
3 posts
#4
Self-Promotion
: "Heard of Dozzle? I built LogForge - UI dashboard for docker with alerts"
2 posts
#5
News
: "Introducing Docker Hardened Images: Secure, Minimal, and Ready for Production"
1 post
Popular Topics in r/docker
#1
Docker
: "Wrote the beginner Docker guide I needed when I was pretending to know what I was doing"
220 posts
#2
Container
: "Container Image Hardening Specification"
35 posts
#3
Compose
: "I am too stupid to use docker? Cant restart container using docker Compose"
16 posts
#4
Windows
: "Docker Performance on Windows vs Mac"
9 posts
#5
Development
: "How do you deal with SSL in multi-container local Development?"
9 posts
#6
Question
: "Container Noob Question - Command Line or GUI Tool?"
8 posts
#7
Security
: "I built a Docker Security tool to scan your images for leaked credentials"
7 posts
#8
Network
: "Docker in bridge Network mode surpassing host firewall?"
6 posts
#9
Installation
: "Moving to new Installation"
6 posts
#10
Image
: "Failing to build an Image if the tests fail and all done in docker is the only sane way - am I being unreasonable?"
6 posts
Member Growth in r/docker
Yearly
+77k members(38.2%)
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