How to run multiple bash commands in CMD and docker-compose.yml of Dockerfile

When executing a command with CMD in Dockerfile or command in docker-compose.yml file, the
There is only one command that can be executed.

In this case, it is also possible to execute multiple commands by executing a shell script

A simpler way to execute multiple commands is to use

bash -c "Command string"

You only need to call it with bash -c for

It seems to say bash -c "ls -l && ls" in the console, so you might want to experiment.

Specifically, we will introduce an example of running elasticsearch on 9200 and 9250 ports.

Dockerfile

CMD bash -c "elasticsearch -d && elasticsearch --http.port=9250"

docker-compose.yml

command: bash -c "elasticsearch -d && elasticsearch --http.port=9250"