r/docker↗
Docker: An open source project to pack, ship and run any application as a lightweight containers
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.
324k subscribers127 posts / mo in Sep 2026117 authors / mosince 2013
r/docker has 324k members (+12% over the last 12 months). It gets about 127 posts a month from 117 people. Top topics: DockerContainers, Kubernetes Clusters and MacOS and Alternatives.
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How r/docker has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/docker
Top topics
Share of the subreddit's posts
- DockerContainers33%
- Kubernetes Clusters3.2%
- MacOS and Alternatives1.8%
- Kubernetes Cluster Management1.6%
- Backup Solutions1.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- GitHub Container Registry
- Lscr
- Example
- Microsoft
- Medium
Everything else about r/docker
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research