Add foldergram (ct) (#13900)

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

install/foldergram-install.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Slaviša Arežina (tremor021)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/foldergram/foldergram
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt install -y --no-install-recommends ffmpeg
+msg_ok "Installed Dependencies"
+
+NODE_VERSION=25 NODE_MODULE="corepack" setup_nodejs
+
+fetch_and_deploy_gh_release "foldergram" "foldergram/foldergram" "tarball"
+
+msg_info "Configuring Foldergram"
+export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
+$STD corepack enable
+cd /opt/foldergram
+$STD pnpm install
+$STD pnpm run build
+mkdir -p /opt/foldergram_media
+cat <<EOF >/opt/foldergram_media/foldergram.env
+NODE_ENV=production
+SERVER_PORT=4141
+DATA_ROOT=/opt/foldergram_media
+GALLERY_ROOT=/opt/foldergram_media/gallery
+DB_DIR=/opt/foldergram_media/db
+THUMBNAILS_DIR=/opt/foldergram_media/thumbnails
+PREVIEWS_DIR=/opt/foldergram_media/previews
+IMAGE_DETAIL_SOURCE=preview
+DERIVATIVE_MODE=eager
+GALLERY_EXCLUDED_FOLDERS=
+EOF
+msg_ok "Configured Foldergram"
+
+msg_info "Creating services"
+cat <<EOF >/etc/systemd/system/foldergram.service
+[Unit]
+Description=Foldergram Service
+After=network.target
+
+[Service]
+WorkingDirectory=/opt/foldergram
+ExecStart=/usr/bin/pnpm start
+Restart=always
+EnvironmentFile=/opt/foldergram_media/foldergram.env
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now foldergram
+msg_ok "Created services"
+
+motd_ssh
+customize
+cleanup_lxc