Just confirmed that is correct, the resin/raspberry pi 3 repository contains jessie-updates commands but that comes from the hub.docker.com server, which repo for resin/ is controlled by resin/balena, which is called on the Dockerfile.template on the FROM line…
So what you need to do is a bit complicated if you dont understand git much, but basically, get into your screenly-ose directory that you cloned, so you are on your mac, you are on the terminal, and you did git clone https://github… etc ok so far so good
then you did cd screenly-ose, ok in that directory you need to edit the Dockerfile.template file, you can simply use nano , so type in terminal
nano Dockerfile.template and on the top edit the line that says FROM, you need to change it to
Ok, now that you are telling the docker which image to build and from which repo, you need to commit the changes, so when you finish editing that FROM line in Dockerfile.template, press ctrl+x, then press y, then press enter.
That should have saved the file, or you can simply edit in your computers textedit or whatever editor you like.
Once that Dockerfile.template contains the correct info, type in terminal,
git status and you should see something telling you that you have one modified change, then you type
git commit -a which brings up vim editor, and on the top type something like
changed dockerfile to new balenalib repo
and then press Esc on your keyboard to stop “Inserting”, then to exit that editor press
:x (yup, colon and x, then press enter)
now if you press git status you should not see the modified message anymore, you should see something like
Your branch is ahead of origin/master
git push balena master and press enter…
You should be golden now… that new image from balena contains the latest build for raspberry pi 3.