Files
ubuntu-post-install/services/ai-stack.md
T
Claude d6092dde4c Move static service docs into services/<name>.md companion files
Applies the new write_readme companion-doc convention to ai-stack,
paintplus, and kyber-launcher: install-time-invariant content (usage
walkthroughs, service tables, troubleshooting) moves out of the .sh
heredocs into sibling services/<name>.md files, leaving only genuinely
install-specific content inline.

- services/paintplus.md: config/cloud/GPU/ai-stack-backend/update/Caddy
  sections, picked up automatically via write_readme's companion-doc
  support.
- services/ai-stack.md: roles, GPU switcher, service URLs, cloud LLM
  provider setup, update, Caddy. ai-stack.sh can't use write_readme
  directly (its POST-INSTALL-NOTES.md filename deliberately avoids
  colliding with the vendored app's own README.md in the same
  directory), so it appends the companion file manually.
- services/kyber-launcher.md: the full SWBF2 (2017) + Kyber walkthrough,
  moved out of the root README's "Gaming scripts" section (which now
  just points here). kyber-launcher.sh now calls write_readme to deploy
  it to ~/.local/share/kyber/README.md, fixing a stale in-script pointer
  to a README section that no longer exists.
2026-08-04 12:34:37 +00:00

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Markdown

## Roles
- **Open WebUI** (chat, research, light coding) — local Ollama + any cloud providers
in one model dropdown; wired to your code via the RAG + MCP servers and Gitea.
- **PaintPlus** (separate `paintplus` service) — the front end for all image work
(inpaint / upscale / generate). Point its `AI_PROVIDER` at a cloud API, or at this
stack's local `comfyui` / `invokeai` for local image-gen.
- **Gitea + GitHub sync** — `bash gitea-github-sync.sh` mirrors repos both ways
(pull GitHub → local git, or push local → GitHub).
- **RAG / MCP / Kiwix** — retrieve just the relevant context so you feed the model
less text (saves tokens), for both local and cloud models.
- Web search uses **DuckDuckGo** (no SearXNG in this build).
## GPU switcher (small local GPU only)
One small GPU can't run local chat and local image-gen at once. Swap it:
```bash
~/docker/ai-stack/gpu-mode.sh images # before generating locally in PaintPlus
~/docker/ai-stack/gpu-mode.sh llm # back to local chat in Open WebUI
~/docker/ai-stack/gpu-mode.sh status # see which is active
```
Cloud models work anytime and need no swap.
## Service URLs
| Service | URL | Auth |
|------------|---------------------------|---------------------|
| Open WebUI | http://localhost:3000 | built-in (first visit = admin) |
| InvokeAI | http://localhost:9090 | none |
| ComfyUI | http://localhost:8188 | none |
| Kiwix | http://localhost:8181 | none |
| Gitea | http://localhost:3001 | built-in |
| Portainer | https://localhost:9443 | built-in |
## Manage the stack
```bash
cd ~/docker/ai-stack
bash start.sh # pull latest images + docker compose up -d
bash stop.sh # docker compose down
bash status.sh # GPU / container / RAG health
bash pull-models.sh # pull Ollama models (run once after first install)
```
Also a systemd unit: `sudo systemctl {start,stop,status} local-ai`
## Cloud LLM providers (Open WebUI)
Open WebUI uses an OpenAI-compatible connection list. The local RAG server is the
first entry; any cloud providers added at install follow it. Two semicolon-separated
lists in `.env`, matched by position (RAG must stay first):
```bash
# ~/docker/ai-stack/.env
OPENAI_API_BASE_URLS=http://rag-server:8001/v1;https://api.groq.com/openai/v1
OPENAI_API_KEYS=local-rag;gsk_xxx
cd ~/docker/ai-stack && docker compose up -d open-webui # apply
```
| Provider | Base URL | Key |
|----------|----------|-----|
| Groq | `https://api.groq.com/openai/v1` | https://console.groq.com/keys |
| DeepInfra | `https://api.deepinfra.com/v1/openai` | https://deepinfra.com/dash/api_keys |
| OpenAI | `https://api.openai.com/v1` | https://platform.openai.com/api-keys |
| OpenRouter | `https://openrouter.ai/api/v1` | https://openrouter.ai/keys |
Alternatively, add them at runtime in Open WebUI → Settings → Admin → Connections
(no file edits, survives image upgrades).
## Update
Re-run the `ai-stack` installer (refreshes vendored source, keeps your `.env`),
then `bash ~/docker/ai-stack/start.sh`. Or in place:
`cd ~/docker/ai-stack && bash local-ai-setup.sh --force`.
## Caddy
Open WebUI is reverse-proxied as `open-webui:8080` on `caddy_net` (or your
configured Caddy network name; attached with `docker network connect` after
start). Other services are LAN-only by default — add Caddy site blocks for
them if you want remote access.