Yes when you backup your Discourse, you can restore it at anytime with all that info – likes, uploads, posts, etc.
You can read more here:
If you wish, you can also self-host your Discourse forum (which can also be a lot cheaper than official hosting – pricing is at a minimum of just $6 USD/month on Digital Ocean) and you will also be able to restore it with all that information.
**Set up Discourse in the cloud in under 30 minutes** with zero knowledge of Rails or Linux shell. One example
is [DigitalOcean][do], but these steps will work on any **Docker-compatible** cloud provider or local server. This
walkthrough will go through these in detail:
**[Before you start](#before-you-start)**
1. [Preparing your domain name](#1-preparing-your-domain-name)
2. [Setting up email](#2-setting-up-email)
**[Installation](#installation)**
3. [Create new cloud server](#3-create-new-cloud-server)
4. [Access new cloud server](#4-access-your-cloud-server)
5. [Install Prerequisites for Docker](#5-install-prerequisites-for-docker-debianubuntu-based-distro-example)
6. [Install Discourse](#6-install-discourse)
7. [Edit Discourse configuration](#7-edit-discourse-configuration)
8. [Start Discourse](#8-start-discourse)
9. [Register new account and become admin](#9-register-new-account-and-become-admin)
10. [Post-install maintenance](#10-post-install-maintenance)
11. [(Optional) Add more Discourse features](#11-optional-add-more-discourse-features)
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