chore: bump v0.6.0, update docs + add Docker install to README

docs/ARCHITECTURE.md

@@ -252,15 +252,15 @@ ntfy-bridge/
 // v.mod
 Module {
     name: 'ntfy-bridge'
-    version: '0.1.0'
-    dependencies: []  // zéro dépendance externe
+    version: '0.6.0'
+    dependencies: ['https://github.com/vlang/yaml']  // parsing YAML
 }
 ```
 
-Le projet utilise **uniquement la stdlib V** :
+Le projet utilise la stdlib V + le module `yaml` :
 - `net.http` — serveur HTTP + client Ntfy
 - `x.json2` — parsing JSON
-- `yaml` — parsing YAML
+- `yaml` — parsing YAML (module externe vlang/yaml)
 - `crypto.hmac`, `crypto.sha256`, `encoding.hex` — validation HMAC
 - `time`, `os`, `flag` — utilitaires
 - `net.unix` — socket Docker (Linux/macOS seulement, via `$if`)
@@ -300,13 +300,26 @@ WantedBy=multi-user.target
 ```
 
 ### Option B : Conteneur Docker
+
+```bash
+# Quick start avec docker compose
+cp ntfy-bridge.example.yaml ntfy-bridge.yaml
+vim ntfy-bridge.yaml
+docker compose up -d
+```
+
 ```dockerfile
-FROM alpine:latest
-COPY ntfy-bridge /usr/local/bin/
-COPY ntfy-bridge.yaml dashboard.html /etc/ntfy-bridge/
+# Dockerfile (build hôte + runtime Alpine minimal)
+FROM alpine:3.20
+RUN apk add --no-cache ca-certificates tzdata curl
+COPY ntfy-bridge /usr/local/bin/ntfy-bridge
+RUN chmod +x /usr/local/bin/ntfy-bridge
 WORKDIR /etc/ntfy-bridge
 EXPOSE 9090
-CMD ["/usr/local/bin/ntfy-bridge", "--quiet", "--config", "/etc/ntfy-bridge/ntfy-bridge.yaml"]
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:9090/health || exit 1
+ENTRYPOINT ["/usr/local/bin/ntfy-bridge"]
+CMD ["--quiet", "--config", "/etc/ntfy-bridge/ntfy-bridge.yaml"]
 ```
 
 ### Option C : Compilation croisée