added media fixes, search, push updates, pwa, metrics. preparing release 1.0

2026-09-27 23:26:15 +03:00
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+# ADR 0001: Monolith over microservices
+
+- Status: accepted
+- Date: 2026-09
+
+## Context
+The messenger serves a single family (tens of users) on a home-lab mini PC
+with ~8 GB RAM. A microservice split would add operational overhead
+(networking, service discovery, per-service containers) with zero benefit at
+this scale.
+
+## Decision
+Build a single Go process exposing REST, WebSocket, media serving and static
+files, with PostgreSQL as the only external state. Internal packages
+(`store`, `auth`, `realtime`, `api`, `media`) are cleanly separated with
+explicit interfaces, so extraction later is mechanical.
+
+## Consequences
+- One container, trivial `docker compose up`.
+- In-process WebSocket hub gives O(1) presence checks for push decisions.
+- If the service ever needs horizontal scaling, `realtime` and `store`
+  already hide their implementations behind interfaces.