Docker Version Manager
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Latest commit 5a8942b Feb 16, 2017 @carolynvs carolynvs committed on GitHub Merge pull request #150 from carolynvs/detect
Detect Docker version

README.md

Docker Version Manager

Build Status

Version management for your Docker clients. Heavily influenced by nvm (ok, "borrowed" from). This tool modifies your current PATH to switch between different Docker clients.

dvm-usage

Escape from this error for a little bit longer:

Error response from daemon: client and server don't have same version (client : 1.18, server: 1.16)

Prerequisites

  • Mac OS X and Linux: curl/wget or homebrew.
  • Windows: PowerShell v4+

Installation

  1. Run the one of the installation scripts below.
  2. Copy, paste and run the commands from the installation output to finalize the installation.

    Mac OS X with Homebrew

    $ brew update && brew install dvm

    Mac OS X without Homebrew, and Linux

    $ curl -sL https://download.getcarina.com/dvm/latest/install.sh | sh

    Windows

    Open a PowerShell command prompt and execute the following command. We use PowerShell 4 to do the initial installation but you can use dvm with PowerShell or CMD once it's installed.

    > Invoke-WebRequest https://download.getcarina.com/dvm/latest/install.ps1 -UseBasicParsing | Invoke-Expression

    Note: If you use zsh instead of bash, add source $HOME/.dvm/dvm.sh to your ~/.zshrc to finalize the installation.

Upgrading from previous dvm

Mac OS X with Homebrew

Homebrew users should use brew upgrade dvm to get the latest version, as dvm upgrade is disabled in homebrew builds.

Mac OS X without Homebrew, Linux, and Windows If you have dvm 0.2 or later, run dvm upgrade to install the latest version of dvm.

Note: If you have dvm 0.0.0, then you will need to reinstall. dvm used to only be only one shell script, relying on a git backed ~/.dvm. This worked well for *nix users and was not workable for Windows users. We've since switched over to small wrapper scripts and a go binary called dvm-helper to make cross platform simple and easy. To upgrade, you can either pull and rebuild yourself (with a working go setup), or use the install script. You'll need to open up a new terminal to ensure that all the dvm functions are set properly.

Usage

To install the 1.8.2 release of docker, do this:

dvm install 1.8.2

Now in any new shell use the installed version:

dvm use 1.8.2

If you want to see what versions are installed:

dvm ls

If you want to see what versions are available to install:

dvm ls-remote

To restore your PATH, you can deactivate it:

dvm deactivate

Bash and zsh completion

There is bash and zsh completion available in $DVM_DIR/bash_completion. To invoke it into your shell, run

[[ -r $DVM_DIR/bash_completion ]] && . $DVM_DIR/bash_completion

For zsh, there's a bit of special sauce using bashcompinit from the more recent versions of zsh.

Usage

$ dvm [TAB]
alias        install      ls           uninstall    which
current      list         ls-alias     unload
deactivate   list-alias   ls-remote    use
help         list-remote  unalias      version
$ dvm u[TAB]
unalias    uninstall  unload     use
$ dvm us[TAB]
$ dvm use [TAB]
1.8.2         1.9.0         carina        default       experimental

Mirroring docker builds

You may want to use a local mirror for Docker binaries instead of downloading them from the default site (https://get.docker.com/builds). There are a few possible reasons for this, most commonly the need to avoid dealing with corporate proxies every time.

The environment variable DVM_MIRROR_URL can be set to a local mirror inside your LAN:

export DVM_MIRROR_URL="http://localserver/docker/builds"
dvm install 1.10.3