---
status: active
owner: platform
last_reviewed: 2026-10-12
supersedes: [docs-ops-tech-pack-2.4.1]
---
# Studio Infrastructure — Tech Stack (living)

<!-- wiki:featured -->

**Component inventory SSOT:** [`docs/tech-stack/inventory.yaml`](../tech-stack/inventory.yaml) → `/wiki/` (Layers · Technology).  
This file is **infra narrative / audit notes only** — do not duplicate inventory tables here. Infra rows are Layer 1 in the wiki.

**Track version:** see `VERSION` · **Audited:** 2026-10-12  
**Runtime checks:** `docker ps`, `systemctl`, `ss`, Ollama `GET /api/tags`, `bash scripts/audit-docs-vs-runtime.sh`.

## Docker containers (running)

| Name | Image | Host ports |
|------|-------|------------|
| studio-postgres | timescale/timescaledb:2.28.2-pg16 | `127.0.0.1:5432` |
| studio-redis | redis:7-alpine | `127.0.0.1:6379` |
| studio-qdrant | qdrant/qdrant | `127.0.0.1:6333` |
| studio-neo4j | neo4j:5-community | `127.0.0.1:7687` / `7474` (Graphiti temporal graph) |
| studio-litellm | ghcr.io/berriai/litellm:main-latest | `:4000` |
| ollama-arm64-speed | ollama/ollama:latest | `127.0.0.1:11434` |
| studio-n8n | n8nio/n8n:latest | `127.0.0.1:5678` |
| studio-openhands | ghcr.io/all-hands-ai/openhands:0.38 | `127.0.0.1:3009`→3000 |
| astra-cos-deploy-backend-1 | astra-ai-cos-backend | host `:8001` (deploy stack) |
| studio-langfuse-worker | langfuse/langfuse-worker:3 | 3030 (container) |
| studio-langfuse-minio | minio/minio:latest | `127.0.0.1:9090` |
| studio-langfuse-redis | redis:7-alpine | 6379 (container network) |
| studio-langfuse-clickhouse | clickhouse/clickhouse-server:latest | `127.0.0.1:8123`, `9000` |
| studio-searxng | searxng/searxng:latest | `127.0.0.1:4040` |
| contextforge | ghcr.io/ibm/mcp-context-forge:latest | host `:4444` (single MCP gateway — admin, virtual servers, credentials) |

## Ollama models (installed)

| Model |
|-------|
| qwen2.5:1.5b-instruct |
| qwen2.5:3b-instruct |
| qwen3:0.6b |
| qwen3:1.7b |
| nomic-embed-text:latest |

## Platform systemd units (running)

| Unit | Role |
|------|------|
| nginx.service | Reverse proxy |
| fastapi.service | Studio API `:8000` (prod tree `~/studio/api`) |
| studio-frontend.service | Dashboard `:3003` |
| studio-console.service | Console `:3013` |
| studio-shell-frontend.service | Shell `:3020` |
| studio-wiki.service | Wiki `:8080` |
| studio-job-worker.service | Job queue |
| studio-mcp.service | MCP `:8099` (prod tree `~/studio`) |
| andi-uds.service | ANDI UDS warm process daemon |
| Product frontends/backends | See registry + AGENTS.md |

## Not running in this audit

- `astra-ai-cos-postgres-1` (pgvector `:5433`) — absent
- openhands-runtime-* ephemeral containers — none up
- `studio-ampere-llama`, `gotify`, Langfuse web UI container
- `casevault-worker` — unit present but `activating` / auto-restart loop

## Storage (facts)

- Hot: boot + `/data` block volume (Docker engine, DBs, Ollama models)
- Cold backup: Koofr via rclone (ops docs)
studio-litellm-cache