Add Upgopher file server script

- Add Upgopher LXC container creation script
- Add installation script for Upgopher v1.11.1
- Add JSON metadata with configuration details
- Upgopher is a lightweight file upload/download server written in Go

install/upgopher-install.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: Eduardo González (wanetty)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/wanetty/upgopher
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt-get install -y curl wget
+msg_ok "Installed Dependencies"
+
+msg_info "Installing Upgopher"
+mkdir -p /opt/upgopher
+cd /opt/upgopher
+RELEASE_URL=$(curl -s https://api.github.com/repos/wanetty/upgopher/releases/latest | grep "browser_download_url.*linux_amd64.tar.gz" | cut -d '"' -f 4)
+wget -q "$RELEASE_URL"
+tar -xzf upgopher_*_linux_amd64.tar.gz
+mv upgopher_*_linux_amd64/* .
+rmdir upgopher_*_linux_amd64
+rm -f upgopher_*_linux_amd64.tar.gz
+chmod +x upgopher
+msg_ok "Installed Upgopher"
+
+msg_info "Configuring Upgopher"
+# Use default configuration (no authentication, HTTP, default port/directory)
+# Users can modify /etc/systemd/system/upgopher.service after installation to enable features
+UPGOPHER_PORT="9090"
+UPGOPHER_DIR="/opt/upgopher/uploads"
+mkdir -p "$UPGOPHER_DIR"
+msg_ok "Configured Upgopher (default settings: no auth, HTTP, port 9090)"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/upgopher.service
+[Unit]
+Description=Upgopher File Server
+Documentation=https://github.com/wanetty/upgopher
+After=network.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/upgopher
+ExecStart=/opt/upgopher/upgopher -port $UPGOPHER_PORT -dir "$UPGOPHER_DIR"
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now upgopher
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"