53 lines
2.1 KiB
Markdown
53 lines
2.1 KiB
Markdown
# sap-drawio — Build Files
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Image source repo (Dockerfile lives there, NOT in this store folder):
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`~/projects/sap-architecture-diagrams` (git remote `git.alexzaw.dev/alexz/sap-architecture-diagrams`).
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## What the image is
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A single multi-stage image, `git.alexzaw.dev/alexz/sap-drawio:latest`:
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1. **Builder stage** (`node:20-bookworm-slim`) — builds the React (CRA + CRACO,
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Yarn Classic 1.22.22) frontend with `REACT_APP_BACKEND_URL=""` so all API
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calls are same-origin (`/api`), working from any host/domain.
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2. **Runtime stage** (`python:3.12-slim`) — installs `backend/requirements.txt`,
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copies `backend/` to `/app/backend` and the built UI to `/app/frontend/build`
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(FastAPI/uvicorn serves both from one process on port 8011), bakes the
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12 MB SQLite catalog seed to `/seed/app.db`, and runs as root (homelab —
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avoids the non-root volume-permission trap).
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## How to build
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```bash
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cd /etc/runtipi/repos/runtipi/apps/sap-drawio/build
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./build.sh
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```
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Builds and pushes `git.alexzaw.dev/alexz/sap-drawio:latest`. Override
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`IMAGE_NAME` / `IMAGE_TAG` / `SRC` env vars if needed. To build without
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pushing, run the `docker build` line directly from `$SRC`.
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## Seed-on-first-run behavior
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`docker/entrypoint.sh` (in the source repo) copies `/seed/app.db` →
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`/data/app.db` only if `/data/app.db` is absent, then execs uvicorn. This
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means:
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- First install: the persistent volume (`${APP_DATA_DIR}/data` on the host)
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gets the baked catalog (icons/services) as its starting point.
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- Every subsequent `app update`/restart: the existing `/data/app.db` (with any
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saved conversions, added logos, etc.) is left untouched — the image rebuild
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never overwrites live data.
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## LLM dependency
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Calls an Ollama-compatible host at `OLLAMA_URL` (form field, defaults to
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`http://192.168.0.32:11434`, this homeserver's local `ollama-nvidia` app).
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Models (`VISION_MODEL`, `VALIDATOR_MODEL`) are also form fields so they can be
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changed without a rebuild. `qwen3-vl:8b` / `gemma4:31b` must exist on the
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Ollama host for the defaults to work.
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## Architecture note
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**amd64 only.** No multi-arch build — matches the host architecture; not
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needed for this homelab deployment.
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