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ECONNREFUSED 127.0.0.1:80 when connecting to remote Docker with Visual Studio Code – CentOS

I want to develop code inside a container on a remote Docker host with VS Code, but I cannot connect to Docker on the remote machine via SSH (ECONNREFUSED 127.0.0.1:80).

Following the VS Code instructions to use a SSH tunnel (https://code.visualstudio.com/docs/remote/containers-advanced#_option-2-connect-using-an-ssh-tunnel) I got this error:

“Unable to connect to Docker. Please make sure you have installed
Docker and that it is running. Details: connect ECONNREFUSED
127.0.0.1:80”

I started VS Code (Windows 10), updated the docker.host (File->Preferences) property to:

{
    "docker.host":"tcp://localhost:23750"
}

and ran:

ssh -NL localhost:23750:/var/run/docker.sock user@hostname

It looked like established the tunnel successfully. I run Docker on a virtual machine (centOS).

When I opened the Docker view and expanded the Containers node in the explorer I got the above mentioned error. To me it looks like VS Code tries to connect to port 80 but I specified port 23750 in the settings. How can I successfully connect to the remote host?

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2

Answers


  1. 0

    I found a fix here: https://github.com/microsoft/vscode-docker/issues/580

    Remove the prefix tcp:// from the docker.host settings, e.g.:

    "docker.host": "localhost:23750"

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  2. 0

    I know that this question is old but for anyone still looking for options I solved a similar issue on my computer using IPv6.

    So in your case:

    {
    "docker.host":"tcp://[::1]:23750"
}

    I configured the host on the environment variable DOCKER_HOST.

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