Add gluetun (ct) (#12976)

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>

ct/gluetun.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/qdm12/gluetun
+
+APP="Gluetun"
+var_tags="${var_tags:-vpn;wireguard;openvpn}"
+var_cpu="${var_cpu:-2}"
+var_ram="${var_ram:-2048}"
+var_disk="${var_disk:-8}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+var_unprivileged="${var_unprivileged:-1}"
+var_tun="${var_tun:-yes}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+
+  if [[ ! -f /usr/local/bin/gluetun ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+
+  if check_for_gh_release "gluetun" "qdm12/gluetun"; then
+    msg_info "Stopping Service"
+    systemctl stop gluetun
+    msg_ok "Stopped Service"
+
+    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "gluetun" "qdm12/gluetun" "tarball"
+
+    msg_info "Building Gluetun"
+    cd /opt/gluetun
+    $STD go mod download
+    CGO_ENABLED=0 $STD go build -trimpath -ldflags="-s -w" -o /usr/local/bin/gluetun ./cmd/gluetun/
+    msg_ok "Built Gluetun"
+
+    msg_info "Starting Service"
+    systemctl start gluetun
+    msg_ok "Started Service"
+    msg_ok "Updated successfully!"
+  fi
+  exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:8000${CL}"