80 lines
2.8 KiB
Markdown
80 lines
2.8 KiB
Markdown
# chart
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FastAPI backend + Vue 3 (from CDN, no build step) served at
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<https://chart.amow.com>.
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Currently a placeholder: the frontend calls `/api/hello` and prints the JSON.
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## Local development
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```bash
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docker compose up --build
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```
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Then open <http://localhost:8000>. Override the host port with
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`PORT=8010 docker compose up` if 8000 is busy — on the VPS itself it always is,
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that's the Coolify UI. The source tree is bind-mounted and uvicorn
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runs with `--reload`, so edits to `main.py` or `static/` take effect without a
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rebuild. Rebuild only when `requirements.txt` changes.
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Without Docker:
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```bash
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python3 -m venv .venv && . .venv/bin/activate
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pip install -r requirements.txt
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uvicorn main:app --reload
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```
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## Layout
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| Path | Purpose |
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|---|---|
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| `main.py` | FastAPI app — JSON under `/api`, serves the SPA at `/` |
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| `static/` | `index.html`, `app.js`, `style.css` — Vue 3 loaded from unpkg |
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| `requirements.txt` | Python deps |
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| `Procfile` | Start command; **nixpacks needs this** or the deploy has nothing to run |
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| `bin/wait-deploy` | Blocks until the live site serves your latest commit |
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| `Dockerfile.dev`, `docker-compose.yml` | Local dev only — production does not use them |
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## Deployment
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Push to `main` → Forgejo webhook → Coolify rebuilds with nixpacks → live.
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Rebuild time depends on whether Docker's build cache is warm: measured at
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**~20s warm** (you pushed recently) and **~90s cold** (the cache goes stale
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after an idle hour or so, which is the usual case). Nothing changes on the site
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until the new container swaps in at the very end, so the old version keeps
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serving for the whole build.
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To know when your commit is actually live, rather than guessing:
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```bash
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git push && bin/wait-deploy
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```
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It polls `/api/version` (which returns the `SOURCE_COMMIT` Coolify bakes into
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the container) until it matches your local `HEAD`, then exits. Runs from any
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machine — no Coolify token, no SSH tunnel. Check by hand any time with:
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```bash
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curl -s https://chart.amow.com/api/version
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```
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One more trap worth naming: if your change only touches an `/api` endpoint, the
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HTML is byte-identical and a browser refresh looks like nothing happened even
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after a successful deploy. Verify the endpoint, not the page.
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Two things to know before changing the deploy config:
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- The Coolify domain is registered as `https://chart.amow.com:8000`. The port
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suffix is how Coolify decides the Traefik target port; drop it and every
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request 502s while the container looks perfectly healthy. It does not appear
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in the public URL.
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- Ignore a 502 in the first minute after a deploy — that's the rolling container
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swap, and it clears on its own.
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Manual redeploy:
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```bash
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curl -X POST -H "Authorization: Bearer $(cat ~/.coolify-token)" \
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"http://127.0.0.1:8000/api/v1/deploy?uuid=dgvch0xqv8uvjfor7dl8bwl9&force=true"
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```
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