Try Cloud Foundry 13 - LogsLoggregator is the next generation system for aggregating and streaming logs and metrics from all of the user apps and system components in an Elastic Runtime deployment. Loggregator uses Google's protocol buffers along with gRPC to deliver logs.
Try Cloud Foundry 12 - Config ServerConfig Server for Pivotal Cloud Foundry (PCF) is an externalized application configuration service, which gives you a central place to manage an application’s external properties across all environments.
Microservices - API GatewayImplement an API gateway that is the single entry point for all clients. The API gateway handles requests in one of two ways. Some requests are simply proxied/routed to the appropriate service. It handles other requests by fanning out to multiple services.