📄 readme: updated docker instructions

Author: Kyrela

README.md

@@ -99,16 +99,18 @@ If you need help, you can join the [support server](https://discord.gg/3ej9JrkF3
 
 ### Docker
 
-First, clone this repository and build your image:
-```
-git clone https://github.com/Kyrela/FixTweetBot.git
-cd FixTweetBot
-docker build -t fixtweetbot .
+First, pull the latest image from Docker Hub:
+
+```bash
+docker pull kyrela/fixtweetbot:latest
 ```
 
-Copy the example docker-compose and fill it with your bot token. Change the default passwords to random strings.
-You do not need to repeat the same configuration in `override.config.yml` - but you can still create one if you want. To use it, uncomment the proper lines
-in your docker-compose:
+Then, create a directory for the configuration, and copy the [example docker-compose](docker-compose.example.yml)
+and fill it with your bot token. Change the default passwords to random strings.
+
+You do not need to repeat the same configuration in `override.config.yml`, but you can still create one if you want
+to override default settings.
+To use it, uncomment the proper lines in your docker-compose:
 
 ```yaml
     # uncomment and create file if you want to override any default settings
@@ -120,18 +122,18 @@ Then simply run `docker compose up -d`.
 
 #### Available environment variables
 
-| Environmental variable | Comment                                                                         |
-|------------------------|---------------------------------------------------------------------------------|
-| UID                    | User ID used inside the container. Default value: 1000                          |
-| GID                    | Group ID used inside the container. Default value: 1000                         |
-| DATABASE_HOST          | Database hostname. Unset by default.                                            |
-| DATABASE_PORT          | Database port. Unset by default.                                                |
-| DATABASE_NAME          | Database name. Unset by default.                                                |
-| DATABASE_USER          | Database user. Unset by default.                                                |
-| DATABASE_PASSWORD      | Database password. Unset by default.                                            |
-| DATABASE_DRIVER        | Database driver. Default value: "mysql"                                         |
-| DISCORD_TOKEN          | Your bot's token.                                                               |
-| DEV_GUILD              | _Optional_: Server ID that you want to use for controlling your bot's instance. |
+| Environment variable | Comment                                                                         |
+|----------------------|---------------------------------------------------------------------------------|
+| UID                  | User ID used inside the container. Default value: 1000                          |
+| GID                  | Group ID used inside the container. Default value: 1000                         |
+| DATABASE_HOST        | Database hostname. Unset by default.                                            |
+| DATABASE_PORT        | Database port. Unset by default.                                                |
+| DATABASE_NAME        | Database name. Unset by default.                                                |
+| DATABASE_USER        | Database user. Unset by default.                                                |
+| DATABASE_PASSWORD    | Database password. Unset by default.                                            |
+| DATABASE_DRIVER      | Database driver. Default value: "mysql"                                         |
+| DISCORD_TOKEN        | Your bot's token.                                                               |
+| DEV_GUILD            | _Optional_: Server ID that you want to use for controlling your bot's instance. |
 
 ### Bare metal