@startuml

actor "Client"

agent "Pathfinder"

agent "Sentinel"
database "Session PostgreSQL"
"Sentinel" -- "Session PostgreSQL"

boundary "Mailman"
cloud "Mail Service"
"Mailman" -- "Mail Service"

agent "Keeper"
database "Account PostgreSQL"
"Keeper" -- "Account PostgreSQL"

agent "Fileye"
cloud "S3 storage"
"Fileye" -- "S3 storage"

"Client" ~~ "Pathfinder"
"Pathfinder" ~~ "Sentinel"
"Pathfinder" ~~ "Keeper"
"Pathfinder" ~~ "Fileye"
"Pathfinder" ~~ "Mailman"

@enduml