ubuntu-post-install/services/paintplus.md at ad4758e33167ec4a0ae42f5a9b90260892658a86

Files

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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Configure providers / keys

Edit src/.env then restart (the compose file interpolates these — no env_file):

cd ~/docker/paintplus/src
nano .env        # AI_PROVIDER, OPENAI_API_KEY / REPLICATE_API_KEY, HF_TOKEN
docker compose up -d --build

Keys: OpenAI https://platform.openai.com/api-keys · Replicate https://replicate.com/account/api-tokens

Cloud mode (no GPU)

cd ~/docker/paintplus/src
docker compose up -d --build      # starts on http://localhost:3080
docker compose logs -f
docker compose down

Local GPU mode (NVIDIA, ~13 GB of models)

cd ~/docker/paintplus/src
./install-local-gpu.sh            # toolkit + DNS fix + model prefetch
./bring-up-local-gpu.sh           # docker compose -f docker-compose.gpu.yml up -d --build

GPU auto-selects models by VRAM (FLUX >=24 GB, SDXL 12-24 GB, SD 1.5 <2 GB).

ai-stack backend (no extra GPU download)

If the ai-stack service is installed on this box, PaintPlus can use its InvokeAI/ComfyUI containers instead of the cloud or its own GPU installer — select it during install, or switch later:

cd ~/docker/paintplus/src
nano .env        # AI_PROVIDER=invokeai (or comfyui), INVOKEAI_URL=http://invokeai:9090
docker network connect ai-stack_default paintplus   # one-time, if not already joined
docker compose up -d --build

PaintPlus reaches those containers by Docker network name, not localhost — both must be on the same network (ai-stack_default, ai-stack's default). If a small GPU is shared with ai-stack's local chat, swap to images first: ~/docker/ai-stack/gpu-mode.sh images.

Update the app

Re-run the PaintPlus installer (copies the latest vendored source over src/, keeping your src/.env), then rebuild:

cd ~/docker/paintplus/src && docker compose up -d --build

Caddy

Reverse-proxied as paintplus:8000 on caddy_net (or your configured Caddy network name). Cloud mode joins that network via src/docker-compose.override.yml; GPU mode is attached with docker network connect after start. Same for the ai-stack backend — attached to ai-stack_default with docker network connect after start.

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