Add installer script

installer.conf

@@ -13,4 +13,5 @@ GROUP="open-webui"
 # The directory to install into.
 TARGET_DIR="/opt/open-webui"
 
-
+# The python version to use
+PYTHON=python3.13

installer.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/bash
+# Install open-webui
+
+# Load the configuration
+source ./installer.conf
+
+# Create the users
+echo "Create users and groups"
+getent group $GROUP > /dev/null 2&>1 || groupadd $GROUP
+getent passwd $USER > /dev/null 2&>1
+if [ $? -ne 0 ]; then
+  useradd --system -s /usr/bin/nologin -g $GROUP $USER 
+fi
+
+# Start with creating the configuration file
+echo "Writing configuration files..."
+mkdir -p /etc/open-webui
+cp open-webui.conf /etc/open-webui
+sed -i 's/#TARGET_DIR#/${TARGET_DIR}/g' /etc/open-webui/open-webui.conf
+
+# Now create the target directory
+echo "Creating target directory..."
+mkdir -p $TARGET_DIR
+
+# And populate it
+echo "Installing open-webui"
+chown $USER:$GROUP $TARGET_DIR
+cd $TARGET_DIR
+sudo $PYTHON -m venv .venv
+sudo -u $USER pip install --upgrade pip
+sudo -u $USER pip open-webui
+echo "Finished installing open-webui."
+
+# Now install the script file
+echo "Installing the script"
+mkdir -p /usr/local/bin
+cp ./run-open-webui /usr/local/bin
+chmod +x /usr/local/bin/run-open-webui
+
+# Install the systemd file
+echo "Installing the service file"
+cp ./open-webui.service /etc/systemd/system
+sed -i '/#TARGET_DIR#/${TARGET_DIR}/g' /etc/systemd/system/open-webui.service
+sed -i '/#USER#/${USER}/g' /etc/systemd/system/open-webui.service
+sed -i '/#GROUP#/${GROUP}/g' /etc/systemd/system/open-webui.service
+systemctl daemon-reload