Kubernetes - Running a command right after container start

Kubernetes allows you to declare entry point command to be executed when container will be created first. This is very similar to Dockerfile CMD option where we can write a command that will start our service, server or application whenever new container will be created using the image built with this docker file.

apiVersion: v1
kind: Pod
metadata:
  name: my-apache-php
  labels:
    app: my-apache-php
spec:
  containers:
    - name: my-apache
      image: phpstorm/php-73-apache-xdebug-27
      ports:
        - containerPort: 80
      lifecycle:
          postStart:
            exec:
              command: ["/bin/sh", "-c", "echo '<?php phpinfo(); ?>' > index.php"]