Add NetBird LXC and Setup Script

.git-setup-info

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+# Git Configuration for ProxmoxVE Development
+
+## Recommended Git Configuration
+
+### Set up remotes for easy syncing with upstream:
+
+```bash
+# View your current remotes
+git remote -v
+
+# If you don't have 'upstream' configured, add it:
+git remote add upstream https://github.com/community-scripts/ProxmoxVE.git
+
+# Verify both remotes exist:
+git remote -v
+# Should show:
+# origin     https://github.com/YOUR_USERNAME/ProxmoxVE.git (fetch)
+# origin     https://github.com/YOUR_USERNAME/ProxmoxVE.git (push)
+# upstream   https://github.com/community-scripts/ProxmoxVE.git (fetch)
+# upstream   https://github.com/community-scripts/ProxmoxVE.git (push)
+```
+
+### Configure Git User (if not done globally)
+
+```bash
+git config user.name "Your Name"
+git config user.email "[email protected]"
+
+# Or configure globally:
+git config --global user.name "Your Name"
+git config --global user.email "[email protected]"
+```
+
+### Useful Git Workflows
+
+**Keep your fork up-to-date:**
+```bash
+git fetch upstream
+git rebase upstream/main
+git push origin main
+```
+
+**Create feature branch:**
+```bash
+git checkout -b feature/my-awesome-app
+# Make changes...
+git commit -m "feat: add my awesome app"
+git push origin feature/my-awesome-app
+```
+
+**Pull latest from upstream:**
+```bash
+git fetch upstream
+git merge upstream/main
+```
+
+---
+
+For more help, see: docs/CONTRIBUTION_GUIDE.md

ct/netbird.sh

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+#!/usr/bin/env bash
+
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: TechHutTV
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://netbird.io/
+
+APP="NetBird"
+var_tags="network;vpn"
+var_cpu="1"
+var_ram="512"
+var_disk="4"
+var_os="debian"
+var_version="13"
+var_unprivileged="1"
+var_tun="${var_tun:-yes}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+    header_info
+    check_container_storage
+    check_container_resources
+
+    if [[ ! -f /etc/netbird/config.json ]]; then
+        msg_error "No ${APP} Installation Found!"
+        exit
+    fi
+
+    msg_info "Updating ${APP}"
+    $STD apt update
+    $STD apt -y upgrade
+    msg_ok "Updated Successfully"
+    exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access NetBird by entering the container and running:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}netbird up${CL}"

frontend/public/json/netbird.json

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+{
+  "name": "NetBird",
+  "slug": "netbird",
+  "categories": [
+    4
+  ],
+  "date_created": "2025-12-02",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": null,
+  "documentation": "https://docs.netbird.io/",
+  "website": "https://netbird.io/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@master/webp/netbird.webp",
+  "config_path": "/etc/netbird/config.json",
+  "description": "NetBird is an open-source VPN management platform that creates secure peer-to-peer networks using WireGuard. It enables secure connectivity between devices anywhere in the world without complex firewall configurations or port forwarding. NetBird offers features like zero-configuration networking, SSO integration, access control policies, and a centralized management dashboard. It's designed to be simple to deploy and manage, making it ideal for connecting remote teams, securing IoT devices, or building secure infrastructure networks.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/netbird.sh",
+      "resources": {
+        "cpu": 1,
+        "ram": 512,
+        "hdd": 4,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "The NetBird client (agent) allows a peer to join a pre-existing NetBird deployment. If a NetBird deployment is not yet available, there are both managed and self-hosted options available.",
+      "type": "info"
+    },
+    {
+      "text": "After installation, enter the container and run `netbird` to to view the commands.",
+      "type": "info"
+    },
+    {
+      "text": "Use a Setup Key from your NetBird dashboard or SSO login to authenticate during setup or in the container.",
+      "type": "info"
+    },
+    {
+      "text": "Check connection status with `netbird status`.",
+      "type": "info"
+    }
+  ]
+}

install/netbird-install.sh

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+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: TechHutTV
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://netbird.io/
+
+source /dev/stdin <<< "$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+echo ""
+echo '  _   _      _   ____  _         _   _     __   _______ '
+echo ' | \ | |    | | |  _ \(_)       | | | |    \ \ / / ____|'
+echo ' |  \| | ___| |_| |_) |_ _ __ __| | | |     \ V / |     '
+echo ' | . ` |/ _ \ __|  _ <| | '\''__/ _` | | |      > <| |     '
+echo ' | |\  |  __/ |_| |_) | | | | (_| | | |____ / . \ |____ '
+echo ' |_| \_|\___|\__|____/|_|_|  \__,_| |______/_/ \_\_____|'
+echo ""
+
+msg_info "Installing Dependencies"
+$STD apt install -y \
+    curl \
+    ca-certificates \
+    gnupg
+msg_ok "Installed Dependencies"
+
+msg_info "Setting up NetBird Repository"
+curl -sSL https://pkgs.netbird.io/debian/public.key \
+    | gpg --dearmor -o /usr/share/keyrings/netbird-archive-keyring.gpg
+chmod 0644 /usr/share/keyrings/netbird-archive-keyring.gpg
+echo 'deb [signed-by=/usr/share/keyrings/netbird-archive-keyring.gpg] https://pkgs.netbird.io/debian stable main' \
+    | tee /etc/apt/sources.list.d/netbird.list > /dev/null
+$STD apt update
+msg_ok "Set up NetBird Repository"
+
+msg_info "Installing NetBird"
+$STD apt install -y netbird
+msg_ok "Installed NetBird"
+
+msg_info "Enabling NetBird Service"
+$STD netbird service install 2>/dev/null || true
+$STD netbird service start 2>/dev/null || true
+$STD systemctl enable netbird
+msg_ok "Enabled NetBird Service"
+
+# NetBird Connection Setup
+echo ""
+echo -e "${BL}NetBird Connection Setup${CL}"
+echo "─────────────────────────────────────────"
+echo "Choose how to connect to your NetBird network:"
+echo ""
+echo "  1) Setup Key (default) - Use a pre-generated setup key"
+echo "  2) SSO Login - Authenticate via browser with your identity provider"
+echo "  3) Skip - Configure later with 'netbird up'"
+echo ""
+
+read -rp "Select authentication method [1]: " AUTH_METHOD
+AUTH_METHOD="${AUTH_METHOD:-1}"
+
+case "$AUTH_METHOD" in
+    1)
+        # Setup Key authentication
+        echo ""
+        echo "Enter your NetBird setup key from the NetBird dashboard."
+        echo ""
+        read -rp "Setup key: " NETBIRD_SETUP_KEY
+        echo ""
+
+        if [[ -z "$NETBIRD_SETUP_KEY" ]]; then
+            msg_warn "No setup key provided. Run 'netbird up' within the container to connect."
+        else
+            echo -e "Setup key: ${GN}${NETBIRD_SETUP_KEY}${CL}"
+            read -rp "Press Enter to continue or Ctrl+C to cancel..."
+
+            msg_info "Connecting to NetBird with setup key"
+            if netbird up -k "$NETBIRD_SETUP_KEY"; then
+                msg_ok "Connected to NetBird"
+            else
+                msg_warn "Connection failed. Run 'netbird up -k <key>' within the container to retry."
+            fi
+        fi
+        ;;
+    2)
+        # SSO authentication
+        echo ""
+        echo -e "${BL}SSO Authentication${CL}"
+        echo "─────────────────────────────────────────"
+        echo "A login URL will appear below."
+        echo "Copy the URL and open it in your browser to authenticate."
+        echo ""
+
+        msg_info "Starting SSO login"
+        netbird login 2>&1 || true
+        echo ""
+
+        msg_info "Connecting to NetBird"
+        if netbird up; then
+            msg_ok "Connected to NetBird"
+        else
+            msg_warn "Connection failed. Run 'netbird up' within the container to retry."
+        fi
+        ;;
+    3)
+        msg_info "Skipping NetBird connection"
+        msg_ok "Run 'netbird up' within the container to connect."
+        ;;
+    *)
+        msg_warn "Invalid selection. Run 'netbird up' within the container to connect."
+        ;;
+esac
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt -y autoremove
+$STD apt -y autoclean
+msg_ok "Cleaned"