Sync-In (#15812)

* Add sync-in (ct)

* remove empty lines

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ (MickLesk) <47820557+MickLesk@users.noreply.github.com>

install/sync-in-install.sh

@@ -0,0 +1,82 @@
+#!/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/Sync-in/server
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+NODE_VERSION="22" setup_nodejs
+setup_mariadb
+MARIADB_DB_NAME="sync_in" MARIADB_DB_USER="sync_in" setup_mariadb_db
+
+msg_info "Installing Sync-in"
+mkdir -p /opt/sync-in/data
+$STD npm install --prefix /opt/sync-in @sync-in/server
+msg_ok "Installed Sync-in"
+
+msg_info "Configuring Sync-in"
+ENCRYPT_KEY=$(openssl rand -hex 32)
+ACCESS_SECRET=$(openssl rand -hex 32)
+REFRESH_SECRET=$(openssl rand -hex 32)
+cat <<EOF >/opt/sync-in/environment.yaml
+server:
+  port: 8080
+mysql:
+  url: 'mysql://${MARIADB_DB_USER}:${MARIADB_DB_PASS}@localhost:3306/${MARIADB_DB_NAME}'
+auth:
+  encryptionKey: '${ENCRYPT_KEY}'
+  token:
+    access:
+      secret: '${ACCESS_SECRET}'
+    refresh:
+      secret: '${REFRESH_SECRET}'
+applications:
+  files:
+    dataPath: '/opt/sync-in/data'
+EOF
+msg_ok "Configured Sync-in"
+
+msg_info "Running Database Migrations"
+cd /opt/sync-in
+$STD npx sync-in-server migrate-db
+msg_ok "Ran Database Migrations"
+
+msg_info "Creating Admin User"
+cd /opt/sync-in
+$STD npx sync-in-server create-user
+msg_ok "Created Admin User"
+
+VERSION=$(node -pe "require('/opt/sync-in/node_modules/@sync-in/server/package.json').version" 2>/dev/null || echo "")
+[[ -n "$VERSION" ]] && echo "$VERSION" >~/.sync-in
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/sync-in.service
+[Unit]
+Description=Sync-in Server
+After=network.target mariadb.service
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/sync-in
+ExecStart=/opt/sync-in/node_modules/.bin/sync-in-server start
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now sync-in
+msg_ok "Created Service"
+
+motd_ssh
+customize
+cleanup_lxc