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I'm fiddling with a Docker image, built from a Virtualbox VM using Packer. The image is Alpine Linux 5.3.0, but apk seems to have been removed.
How can I reinstall apk, or build it from source? Googling seems only to yield results on people installing packages, or Android apps!
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Probably you mean v3.5.0.
The easier way is (if your architecture is x86_64):
wget http://dl-cdn.alpinelinux.org/alpine/v3.5/main/x86_64/apk-tools-static-2.6.8-r1.apk
And then unpack the downloaded file:
tar -zxvf apk-tools-static-2.6.8-r1.apk
You'll find in the unpacked apk the apk.static file, that you can use to install apk-tools.
More info here: https://wiki.alpinelinux.org/wiki/Upgrading_Alpine
Of course, if your architecture is x86, the url is:
wget http://dl-cdn.alpinelinux.org/alpine/v3.5/main/x86/apk-tools-static-2.6.8-r1.apk
Anyway, the package you need is "apk-tools".
One addition to Francesco's answer (since I don't have the reputation to comment yet):
You may need to use the curl command with the -o flag instead of wget, depending on how your container is configured. (If you get a wget: command not found message, that's probably a good fallback.)
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Edit: Also, it looks from the "packages" page like they may have removed this minor version in favor of 2.6.9:
https://pkgs.alpinelinux.org/packages?name=apk-tools-static&branch=&repo=&arch=&maintainer=
... so the command set I ended up using was more like:
curl -o apk-tools-static-2.6.8-r1.apk http://dl-cdn.alpinelinux.org/alpine/v3.5/main/x86_64/apk-tools-static-2.6.9-r0.apk
tar -zxvf apk-tools-static-2.6.8-r1.apk
cd sbin
sudo ./apk.static -X http://dl-cdn.alpinelinux.org/alpine/latest-stable/main -U --allow-untrusted --initdb add apk-tools-static
sudo apk.static update
sudo ./apk.static -X http://dl-cdn.alpinelinux.org/alpine/latest-stable/main -U --allow-untrusted add apk-tools
sudo apk update
... etc.,.
Usual disclaimer: If you can run things without using sudo, you really should do that. My situation is not your situation. Try everything without sudo first.
