i want to create .env file from configmap and secret in a pod

I am looking for someone to create a .env file from configmap and secret in a pod. I'm looking for someone who is proficient in YAML-file. I need this specialist to understand the complexities and configuration settings that will be required in the .env file. I specifically need this specialist to not utilize system variables in the .env file. I simply need configuration settings to be present in the .env file, devoid of any security settings. Ultimately I am looking for a knowledgeable individual to create a high-quality .env file in pod kubernetes.