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docs(arch): add Ollama container to C4 level-2 container diagram (#737)

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Marcel
2026-06-06 13:56:16 +02:00
parent 25252fc709
commit 64120a30b5
1 changed files with 5 additions and 1 deletions
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6
docs/architecture/c4/l2-containers.puml
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@@ -12,13 +12,15 @@ System_Boundary(archiv, "Familienarchiv (Docker Compose)") {
Container(frontend, "Web Frontend", "SvelteKit / Node adapter / port 3000", "Server-side rendered UI. Handles auth session cookies, document search and viewer, transcription editor, annotation layer, family tree (Stammbaum), stories (Geschichten), activity feed (Chronik), enrichment workflow, and admin panel.") Container(frontend, "Web Frontend", "SvelteKit / Node adapter / port 3000", "Server-side rendered UI. Handles auth session cookies, document search and viewer, transcription editor, annotation layer, family tree (Stammbaum), stories (Geschichten), activity feed (Chronik), enrichment workflow, and admin panel.")
Container(backend, "API Backend", "Spring Boot 4 / Java 21 / Jetty / port 8080", "REST API. Implements document management, search, user auth, file upload/download, transcription, OCR orchestration, and SSE notifications. Trusts X-Forwarded-* headers from Caddy.") Container(backend, "API Backend", "Spring Boot 4 / Java 21 / Jetty / port 8080", "REST API. Implements document management, search, user auth, file upload/download, transcription, OCR orchestration, and SSE notifications. Trusts X-Forwarded-* headers from Caddy.")
Container(ocr, "OCR Service", "Python FastAPI / port 8000", "Handwritten text recognition (HTR) and OCR microservice. Single-node by design — see ADR-001. Reachable only on the internal Docker network; no external port exposed.") Container(ocr, "OCR Service", "Python FastAPI / port 8000", "Handwritten text recognition (HTR) and OCR microservice. Single-node by design — see ADR-001. Reachable only on the internal Docker network; no external port exposed.")
Container(ollama, "Ollama LLM Service", "ollama/ollama:0.6.5 / port 11434 (internal only)", "Local LLM inference server for NL search. Runs qwen2.5:7b-instruct-q4_K_M on CPU. Reachable only on the internal Docker network; no external port exposed. Disabled when APP_OLLAMA_BASE_URL is unset or blank.")
' Named volume: ollama_models — model weights, fully reproducible, no backup needed
ContainerDb(db, "Relational Database", "PostgreSQL 16", "Stores document metadata, persons, users, permission groups, tags, transcription blocks, audit log, and Spring Session data.") ContainerDb(db, "Relational Database", "PostgreSQL 16", "Stores document metadata, persons, users, permission groups, tags, transcription blocks, audit log, and Spring Session data.")
ContainerDb(storage, "Object Storage", "MinIO (S3-compatible)", "Stores the actual document files (PDFs, scans). Backend uses a bucket-scoped service account (archiv-app), not MinIO root.") ContainerDb(storage, "Object Storage", "MinIO (S3-compatible)", "Stores the actual document files (PDFs, scans). Backend uses a bucket-scoped service account (archiv-app), not MinIO root.")
Container(mc, "Bucket / Service-Account Init", "MinIO Client (mc)", "One-shot container on startup. Idempotent: creates the archive bucket, the archiv-app service account, and attaches the readwrite policy.") Container(mc, "Bucket / Service-Account Init", "MinIO Client (mc)", "One-shot container on startup. Idempotent: creates the archive bucket, the archiv-app service account, and attaches the readwrite policy.")
} }
System_Boundary(observability, "Observability Stack (/opt/familienarchiv/docker-compose.observability.yml)") { System_Boundary(observability, "Observability Stack (/opt/familienarchiv/docker-compose.observability.yml)") {
Container(prometheus, "Prometheus", "prom/prometheus:v3.4.0", "Scrapes metrics from backend management port 8081 (/actuator/prometheus), node-exporter, and cAdvisor. Retention: 30 days.") Container(prometheus, "Prometheus", "prom/prometheus:v3.4.0", "Scrapes metrics from backend (8081 /actuator/prometheus), OCR service (8000 /metrics), Ollama (11434 /metrics), node-exporter, and cAdvisor. Retention: 30 days.")
Container(node_exporter, "Node Exporter", "prom/node-exporter:v1.9.0", "Host-level CPU, memory, disk, and network metrics.") Container(node_exporter, "Node Exporter", "prom/node-exporter:v1.9.0", "Host-level CPU, memory, disk, and network metrics.")
Container(cadvisor, "cAdvisor", "gcr.io/cadvisor/cadvisor:v0.52.1", "Per-container resource metrics.") Container(cadvisor, "cAdvisor", "gcr.io/cadvisor/cadvisor:v0.52.1", "Per-container resource metrics.")
Container(loki, "Loki", "grafana/loki:3.4.2", "Stores log streams from all containers.") Container(loki, "Loki", "grafana/loki:3.4.2", "Stores log streams from all containers.")
@@ -45,6 +47,8 @@ Rel(promtail, loki, "Pushes log streams", "HTTP/Loki push API")
Rel(backend, tempo, "Sends distributed traces via OTLP", "HTTP / OTLP / port 4318 (archiv-net)") Rel(backend, tempo, "Sends distributed traces via OTLP", "HTTP / OTLP / port 4318 (archiv-net)")
Rel(prometheus, backend, "Scrapes JVM + HTTP metrics", "HTTP 8081 /actuator/prometheus") Rel(prometheus, backend, "Scrapes JVM + HTTP metrics", "HTTP 8081 /actuator/prometheus")
Rel(prometheus, ocr, "Scrapes OCR + http_* metrics", "HTTP 8000 /metrics") Rel(prometheus, ocr, "Scrapes OCR + http_* metrics", "HTTP 8000 /metrics")
Rel(backend, ollama, "NL search inference requests", "HTTP / REST / JSON")
Rel(prometheus, ollama, "Scrapes LLM request metrics", "HTTP 11434 /metrics")
Rel(grafana, prometheus, "Queries metrics", "HTTP 9090") Rel(grafana, prometheus, "Queries metrics", "HTTP 9090")
Rel(grafana, loki, "Queries logs", "HTTP 3100") Rel(grafana, loki, "Queries logs", "HTTP 3100")
Rel(grafana, tempo, "Queries traces", "HTTP 3200") Rel(grafana, tempo, "Queries traces", "HTTP 3200")