Instructions missing for installations behind a forward proxy

[mzervakis]

Add a section to describe how to install behind a forward proxy.

sudo mkdir -p /etc/systemd/system/k0scontroller.service.d
sudo tee -a /etc/systemd/system/k0scontroller.service.d/http-proxy.conf <<EOF
[Service]
Environment=CONTAINERD_HTTPS_PROXY=192.168.80.80:8080
Environment=CONTAINERD_NO_PROXY=localhost,127.0.0.1,10.96.0.0/16,192.168.0.0/16,.cluster.local,.svc
EOF

[mzervakis]

Another step required to complete the installation is to set missing proxy settings in source-controller deployment in flux-system, otherwise blueprint addons fail to install.

kubectl -n flux-system set env deployment/source-controller HTTPS_PROXY=192.168.80.80:8080 NO_PROXY=localhost,127.0.0.1,10.96.0.0/16,192.168.0.0/16,.cluster.local,.svc