Docker 28.1.0 is not compatible with docker/setup-buildx-action

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#486 opened on Apr 17, 2025 5 comments 5 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 35/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Stale
Tech stack: docker, github-actions
Domain: ci-cd, devops

Research direction

Reproduce the failure with Docker 28.1.0 and docker/setup-buildx-action@v3, then inspect the repository’s shell installation script for how the Docker socket or context is configured. The work is done when the action can initialize a buildx builder without the socket connection error.

Written by the indexing model from the issue text.

Description

When using docker/setup-buildx-action with the latest version of Docker (28.1.0) the buildx setup action is unable to connect to the docker socket. It appears it's unavailable at the location expected (/run/user/1000/docker.socket).

Run docker/setup-buildx-action@v3
Docker info
  /home/ubuntu/bin/docker version
  Client:
   Version:           28.1.0
   API version:       1.49
   Go version:        go1.23.8
   Git commit:        4d8c241
   Built:             Thu Apr [17](https://github.com/<org>/<repo>/actions/runs/14517224841/job/40735437133#step:5:18) 09:53:56 2025
   OS/Arch:           linux/amd64
   Context:           default
  Cannot connect to the Docker daemon at unix:///run/user/1000/docker.sock. Is the docker daemon running?
  The process '/home/ubuntu/bin/docker' failed with exit code 1
Download buildx from GitHub Releases
Install buildx
  Docker plugin mode
  Fixing perms
  Plugin path: /home/ubuntu/.docker/cli-plugins/docker-buildx
Buildx version
Inspecting default docker context
Creating a new builder instance
Error: ERROR: failed to initialize builder builder-05f95600-d266-4d50-a4fd-39a4[23](https://github.com/<org>/<repo>/actions/runs/14517224841/job/40735437133#step:5:24)e5d0e0 (builder-05f95600-d266-4d50-a4fd-39a423e5d0e00): Cannot connect to the Docker daemon at unix:///run/user/1000/docker.sock. Is the docker daemon running?

Dominant language: Shell
Stars: 3.2k
Forks: 863
Avg merge: 3h 15m
Merged PRs (30d): 2

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