How to Install Answer Q&A Community Software on Ubuntu 25.10

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Answer is an open-source knowledge-based community software that allows you to quickly build a Q&A platform for product support, customer engagement, and user discussions.

Prerequisites

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• Root access to your Ubuntu 25.10 server.

Install Docker and Docker Compose

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To install Docker and Docker Compose, you can refer to this guide:
How to Install and Use Docker Compose on Ubuntu 25.10

Running Answer with Docker

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Once Docker and Docker Compose are installed, you can install Answer using Docker.

Run the following commands to download and launch Answer:

mkdir answer && cd answer
wget https://raw.githubusercontent.com/answerdev/answer/main/docker-compose.yaml
docker compose up

Reboot Docker to ensure the services run properly:

systemctl restart docker

Configure the Answer Q&A Community Software

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Once the container starts, open the following URL in your browser:

http://yourserver-ip-address:9080

Replace yourserver-ip-address with your server’s actual IP address.

You will see the Answer setup screen.

Choose your preferred language and continue.

Configure the Database

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Note: Answer supports MySQL, PostgreSQL, and SQLite as database backends.

If you are just testing, choose SQLite — it requires no additional configuration.

If you prefer MySQL/MariaDB, set it up beforehand using this guide:
How to Install LAMP Stack with MariaDB on Ubuntu 25.10

Set Site Information

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Next, you’ll be prompted to enter your site information:

• Site Name: The name of your Q&A community.
• Site URL: The domain or subdomain where your site will run.
• Contact Email: Admin/support email address.
• Admin Account: Credentials for your first administrator.

Once done, click Finish to complete the installation.

You will see a success message once the setup is complete.

Login to Answer Q&A

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Navigate to your platform’s login page and log in using the admin credentials you created.

Once logged in, you can explore and customize the community settings, appearance, and moderation options.

Running Answer in the Background

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To run Answer in the background (detached mode), use:

docker compose up --detach

Output:

root@server:~/answer# docker compose up --detach
WARN[0000] /root/answer/docker-compose.yaml: `version` is obsolete
[+] Running 1/0
 ✔ Container answer-answer-1  Running

This completes the installation and setup of Answer Q&A Community Software on Ubuntu 25.10.