PS-9110 remove [root@docker-host] (#290)

modified:   docs/docker.md

Author: alina-derkach-oaza

docs/docker.md

@@ -1,6 +1,5 @@
 # Run Percona Server for MySQL in a Docker Container
 
-
 Docker lets developers build, deploy, run, update, and manage containers, which isolate applications from the host system. Docker containers are made from Docker images, which are snapshots of the configuration needed to run an application, such as the code and libraries.
 
 ??? information "Percona solutions"
@@ -78,8 +77,8 @@ available locally.
 
 To view the container's logs, use the following command:
 
-```shell
-docker logs ps --follow
+```{.bash data-prompt="$"}
+$ docker logs ps --follow
 ```
 ??? example "Expected output"
 
@@ -158,8 +157,8 @@ Be sure to test the image throughly before using it in production.
 
 You can pass options with the `docker run` command. For example, the following command uses UTF-8 as the default setting for character set and collation for all databases:
 
-```shell
-[root@docker-host] $ docker run -d \
+```{.bash data-prompt="$"}
+$ docker run -d \
  --name ps \
  -e MYSQL_ROOT_PASSWORD=root \
  percona/percona-server:8.0 \
@@ -173,8 +172,8 @@ The `docker exec` command lets you have a shell inside the container. This comma
 
 An example of accessing the detached container:
 
-```shell
-[root@docker-host] $ docker exec -it ps /bin/bash
+```{.bash data-prompt="$"}
+$ docker exec -it ps /bin/bash
 ```
 
 If you need to troubleshoot, the error log is found in `/var/log/` or `/var/log/mysql/`. The file name may be error.log or mysqld.log.
@@ -252,8 +251,8 @@ To link a container running your application
 with the Percona Server container,
 run it with the following command:
 
-```shell
-[root@docker-host] $ docker run -d \
+```{.bash data-prompt="$"}
+$ docker run -d \
   --name app \
   --link ps \
   app/image:latest
@@ -281,8 +280,8 @@ For example, if you create a data directory on a suitable volume
 on your host system named `/local/datadir`,
 you run the container with the following command:
 
-```shell
-[root@docker-host] $ docker run -d \
+```{.bash data-prompt="$"}
+$ docker run -d \
   --name ps \
   -e MYSQL_ROOT_PASSWORD=root \
   -v /local/datadir:/var/lib/mysql \
@@ -300,8 +299,8 @@ Do not add MYSQL_ROOT_PASSWORD to the `docker run` command if the data directory
 
     If you have SELinux enabled, assign the relevant policy type to the new data directory so that the container will be allowed to access it:
 
-```
-[root@docker-host] $ chcon -Rt svirt_sandbox_file_t /local/datadir
+```{.bash data-prompt="$"}
+$ chcon -Rt svirt_sandbox_file_t /local/datadir
 ```
 
 ## Port forwarding
@@ -315,8 +314,8 @@ This ability simplifies consolidating instances to a single host.
 
 To map the standard MySQL port 3306 to port 6603 on the host:
 
-```shell
-[root@docker-host] $ docker run -d \
+```{.bash data-prompt="$"}
+$ docker run -d \
  --name ps \
  -e MYSQL_ROOT_PASSWORD=root \
  -p 6603:3306 \