Service interaction schema

WARNING

Arrows on the diagram indicate the direction of data flow.

Letter	Meaning
a	CRUD operations on the main Backend entities
b	MQTT interaction: the Backend configures EMQX via REST, and subscribes to topics matching example.com/+/+/+/pepeunit
c	CRUD operations on DataPipe data and Unit logs
d	Read/Write operations: storing the token for EMQX issued by Backend and DataPipe, User verification in the Telegram Bot, Grafana authorization, state storage for the Telegram Bot, sending configuration change commands for DataPipe
e	Read operations: authorizing Backend and DataPipe
f	Multiple UPDATE operations for UnitNode states, UnitNode requests with DataPipe enabled
g	MQTT interaction: DataPipe subscribes to topics matching example.com/+/pepeunit
h	Multiple INSERT operations for UnitNode data and bulk DELETE for n_last_entry
i	Read operations: reading configuration change commands from the Backend
j	REST
k	REST
L	REST
m	REST
n	REST
o	Any Programming Lang
p	REST
q	/var/run/docker.sock:ro + /var/lib/docker/containers:ro
r	/var/run/docker.sock:ro