Add systemd service conf. Update setup script

setup-scripts/bashrc

@@ -112,3 +112,6 @@ if ! shopt -oq posix; then
   fi
 fi
 export PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/local/go/bin:/home/user/go/bin
+
+export SIA_DATA_DIR=/home/user/siad
+export SIA_API_PASSWORD=$(cat /home/user/.sia/apipassword)

setup-scripts/setup.sh

@@ -46,7 +46,7 @@ sudo ufw allow 'Nginx HTTP'
 # Install Go 1.13.7.
 wget -c https://dl.google.com/go/go1.13.7.linux-amd64.tar.gz
 sudo tar -C /usr/local -xzf go1.13.7.linux-amd64.tar.gz
-source ~/.bashrc
+export PATH=$PATH:$HOME/go/bin
 rm go1.13.7.linux-amd64.tar.gz
 
 # Sanity check that will pass if go was installed correctly.
@@ -57,10 +57,17 @@ cwd=$(pwd)
 # Install Sia
 cd ~/
 git clone https://gitlab.com/NebulousLabs/Sia
-cd Sia && git checkout viewnode && make
+cd Sia && git checkout v1.4.3 && make
 
 # Setup skynet frontend.
 cd $cwd
 cd ../
 yarn
 yarn build
+
+# Enable the systemd service
+cd $cwd
+mkdir -p $HOME/.config/systemd/user
+cp siad.service $HOME/.config/systemd/user/siad.service
+
+systemctl --user enable siad.service

setup-scripts/siad.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=siad
+
+[Service]
+Type=simple
+WorkingDirectory=/home/user/siad
+Environment="SIA_DATA_DIR=/home/user/siad"
+Environment="SIA_API_PASSWORD=$(cat /home/user/.sia/apipassword)"
+Environment="SIA_WALLET_PASSWORD=$(cat /home/user/.sia/walletpassword)"
+ExecStart=/home/user/go/bin/siad
+ExecStop=/home/user/go/bin/siac stop
+Restart=on-failure
+
+[Install]
+WantedBy=default.target