Why do we copy the env file?

# Get the code
git clone --depth 1 https://github.com/novuhq/novu

# Go to the docker folder
cd novu/docker

# Copy the example env file
cp .env.example ./local/deployment/.env

# Start Novu
docker-compose -f ./local/deployment/docker-compose.yml up

# Get the code
git clone --depth 1 https://github.com/novuhq/novu

# Go to the docker folder
cd novu/docker

# Copy the example env file
cp .env.example ./local/deployment/.env

# Start Novu
docker-compose -f ./local/deployment/docker-compose.yml up