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+## Build from source
+
+To have [Node 100% CPU fixes](https://github.com/wekan/wekan/blob/devel/CHANGELOG.md#v084-2018-04-16-wekan-release):
+1) Increase ulimit for node in systemd config
+2) Use Fibers fixed [node source from Sandstorm](https://github.com/sandstorm-io/node/commits/sandstorm) or binary [copied from Sandstorm](https://github.com/wekan/wekan-mongodb/issues/2#issuecomment-381453161) or downloaded as node binary or tar.gz package from https://releases.wekan.team , related fixes are in Wekan GitHub repo Dockerfile, snapcraft.yaml and wekan/server/authentication.js 
+
+Wekan:
+- On any x64 hardware that has Ubuntu 14.04 or Debian 9 or newer installed directly or in VM:
+[Build from source scripts](https://github.com/wekan/wekan-maintainer/tree/master/virtualbox)
+
+Wekan for Sandstorm:
+- Install above Wekan from source
+- Install [Sandstorm locally](https://sandstorm.io/install) with `curl https://install.sandstorm.io | bash`, select dev install
+- Install [meteor-spk](https://github.com/sandstorm-io/meteor-spk)
+- Get 100% CPU issue fibers fixed node, and copy it to spk directory:<br />
+`wget https://releases.wekan.team/node`<br />
+`chmod +x node`<br />
+`mv node ~/projects/meteor-spk/meteor-spk-0.4.0/meteor-spk.deps/bin/`
+- Add to your /home/username/.bashrc : <br /> `export PATH=$PATH:$HOME/projects/meteor-spk/meteor-spk-0.4.0`
+- Close and open your terminal, or read settings from .bashrc with<br />`source ~/.bashrc`
+- `cd wekan && meteor-spk dev`
+- Then Wekan will be visible at local sandstorm at http://local.sandstorm.io:6080/
+- Sandstorm commands: `sudo sandstorm`. [Release scripts](https://github.com/wekan/wekan-maintainer/tree/master/releases). Official releases require publishing key that only xet7 has.
+
+Docker:
+- `git clone https://github.com/wekan/wekan`
+- `cd wekan`
+- Edit docker-compose.yml script ROOT_URL etc like documented at https://github.com/wekan/wekan-mongodb docker-compose.yml script
+- `docker-compose up -d --build`
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