If you want HTTP access logs, you get these via
What is envoy for?
Envoy is an L7 proxy and communication bus designed for large modern service oriented architectures. ... All of the Envoys form a transparent communication mesh in which each application sends and receives messages to and from localhost and is unaware of the network topology.
What is envoy Yaml?
Envoy is configured using a YAML definition file to control the proxy's behaviour. In this step, we're building a configuration using the Static Configuration API. This means that all the settings are pre-defined within the configuration. Envoy also supports Dynamic Configuration.