http-async-proxy

pod local async http proxy with buffer

Options

Option	Long Flag	Short Flag	Environment Variable	Description	Default Value
Queue Size	--queue_size	-q	QUEUE_SIZE	Buffer queue size/number of buffered requests	100
Worker Count	--worker_count	-w	WORKER_COUNT	Number of worker goroutines to spawn	5
Listen Address	--listen	-l	LISTEN_ADDRESS	Listen bind address	:8080
Metrics Address	--metrics_address	-m	METRICS_ADDRESS	Metrics bind address	:9091
Config Path	--config_path	-c	CONFIG_PATH	Path to backend map file in YAML format	/etc/backends.yaml

#TODO

• pre-stop script to image, sig term handling
• final fallback after sig-term