itzg/mc-router

Docker Swarm Auto Scale

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#561 opened on Jul 4, 2026

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enhancementhelp wanted

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Description

I didn't see a mention for Docker Swarm auto scaling support, so I am assuming it is not supported. Since there is service discovery support and I typically deploy in a Docker Swarm Stack, is it possible to implement auto scaling for Docker Swarm?

Contributor guide

Research direction
Investigate Docker Swarm's service API for scaling capabilities. Look at how mc router currently handles service discovery and consider integrating Docker's scale endpoint to adjust replicas based on load or other metrics.
Tech stack
godocker
Domain
backendinfrastructuredevops
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoDockerDocker Swarm
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50