Comment 1 for bug 1533899

This is indeed true and more true with the move to snapd. In order to create a proxy config you need to do something like:
```
    sudo mkdir -p /etc/systemd/system/snapd.service.d/
    sudo cat <<EOF | sudo tee -a /etc/systemd/system/snapd.service.d/proxy.conf
[Service]
Environment=http_proxy=$http_proxy
Environment=https_proxy=$http_proxy
EOF
    sudo systemctl daemon-reload
```