Add downtify (ct) (#17959)

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

install/downtify-install.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+
+# 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/henriquesebastiao/downtify
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+setup_ffmpeg
+PYTHON_VERSION="3.14" setup_uv
+NODE_VERSION="26" setup_nodejs
+# yt-dlp solves YouTube's JavaScript challenges with Deno
+fetch_and_deploy_gh_release "deno" "denoland/deno" "prebuild" "latest" "/usr/local/bin" "deno-$(arch_resolve "x86_64" "aarch64")-unknown-linux-gnu.zip"
+fetch_and_deploy_gh_release "downtify" "henriquesebastiao/downtify" "tarball"
+
+msg_info "Building Downtify"
+cd /opt/downtify/frontend
+$STD npm ci
+$STD npm run build
+rm -rf /opt/downtify/frontend/node_modules
+cd /opt/downtify
+# pyproject.toml sets [tool.uv] upgrade = true, so --locked fails whenever PyPI has anything newer than uv.lock
+$STD uv sync --frozen --no-dev --python 3.14
+msg_ok "Built Downtify"
+
+msg_info "Configuring Downtify"
+mkdir -p /opt/downtify_data/{data,downloads}
+cat <<EOF >/opt/downtify_data/.env
+DATABASE_DIR=/opt/downtify_data/data
+DOWNLOAD_DIR=/opt/downtify_data/downloads
+EOF
+msg_ok "Configured Downtify"
+
+msg_info "Creating Downtify Service"
+cat <<EOF >/etc/systemd/system/downtify.service
+[Unit]
+Description=Downtify
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/downtify
+EnvironmentFile=/opt/downtify_data/.env
+Environment=WEB_GUI_LOCATION=/opt/downtify/frontend/dist
+ExecStart=/opt/downtify/.venv/bin/python /opt/downtify/main.py web
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now downtify
+msg_ok "Created Downtify Service"
+
+motd_ssh
+customize
+cleanup_lxc