Universial(ish) base images for PHP apps without a web server.
There is an entrypoint script specified, this script will execute any shell, PHP, or python (version 3) scripts placed in
/entrypoint.d with their executable bit(s) set in lexical order according the the locale in the container (defaults to
en_US.UTF-8). This is useful for initializing configuration files as a bridge from file based configuration to
environment variables exclusively.
Note: These scripts are executed as the docker user and will be subject to that user's access to the filesystem.