Create DATABASE.md

docs/setup/DATABASE.md

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+# Using MariaDB/MySQL
+
+## Setup
+
+### Explaination
+
+A database server is a kind of server that hosts so called databases with "tables" in them. MariaDB is a way of hosting
+them. It is much more efficient than SQLite, because it isn't just a file which can be easily hacked and amplified.
+
+To do this, you need a basix understanding of linux and SQL.
+
+### Setting up MariaDB/MySQL
+
+This section presumes you know how to login into MariaDB. If you don't, search it up.
+
+Go into MariaDB and type these:
+```
+CREATE DATABASE fosscord;
+CREATE USER 'fosscord'@'localhost' IDENTIFIED BY 'password1';
+GRANT ALL PRIVILEGES ON fosscord.* TO 'fosscord'@'localhost' IDENTIFIED BY 'password1' WITH GRANT OPTION;
+FLUSH PRIVILEGES;
+```
+After that, go to your fosscord directory, and open (if it's not created, create it) a file named ".env" WITH THE DOT.
+The file should contain this:
+```
+THREADS=1
+DATABASE=mariadb://[youruser]:[yourpassword]@localhost/[yourdatabase]
+```
+
+So for us that would be:
+```
+THREADS=1
+DATABASE=mariadb://fosscord:password1@localhost/fosscord
+```
+If you set it up correctly, you should be able to run ``systemctl start fosscord`` or ``npm run start:bundle`` if you didn't setup systemd
+(which you should do, checkout the "Setup" section) and, your fosscord works! It may say "TABLE NOT SETUP" or something. Ignore these, because
+they are just there because the database is uninitialized.
+
+// by AToska21