Rewrite the root README as a short, non-technical project overview
The old file was a confusing mix of eras: an accurate current Windows/Rocky/VPS environment section sitting alongside stale leftovers from before this project's current setup existed -- a wrong port (9090, staging is actually 9190), old docker-compose v1 syntax, a podman-compose three-terminal dev loop nobody uses, an nginx config for laikazinas.lsm.lv (the real current LSM production site, unrelated to and confusable with this project's actual temporary test domain), Fly.io commands from a hosting platform no longer in use, and an example command that happens to run one of the files this session's security review flagged as a mislabeled test script capable of touching a live database. Replaced with a short landing page: what the tool does, how it's built, current status (Rocky-only development now that Windows is retired from the workflow, laikapstak.li as the temporary test environment ahead of eventually replacing the live laikazinas.lsm.lv service), and a security summary -- all pointing to docs/ for actual technical depth rather than duplicating half-true instructions. Updated docs/README.md's own description of the root README to match.
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# Weather Tool
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# WeatherTool
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Tool for downloading historical and real-time data from weather stations in Latvia. It aggregates and displays data for different time periods, cities, and weather parameters.
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WeatherTool prepares the weather graphics used on air: current temperatures,
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water temperatures, and severe-weather warnings, rendered as fixed-size PNG
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exports ready to drop into a broadcast. It's a large update to the tool
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currently running in production at `laikazinas.lsm.lv`.
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## Setup
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Rename `.env-sample` to `.env` and fill in credentials
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## What it does
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## Environment boundary
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- Pulls real observation data from LVĢMC (Latvia's national weather
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service) — current station temperatures, water temperatures, and active
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warnings — from their public open-data feed.
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- Lets an operator review and, where needed, correct individual values
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before export, without touching the underlying data.
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- Renders that data onto fixed newsroom map templates and exports
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broadcast-ready PNGs at the station's required resolutions.
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- Also includes analytical tools (historical station comparisons, a full
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data archive) for exploring the underlying weather data beyond what goes
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on air.
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- **Windows:** source editing, review, and Git operations only. Do not compile, build, run containers, install project dependencies, or test the application here.
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- **Rocky Linux:** the only development runtime; compile, build, run, seed, and test WeatherTool here.
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- **Ubuntu VPS:** deployment target only. It receives the reviewed release artifact built and verified on Rocky; it is not a development or build host.
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## How it's built
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## Run
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```
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docker-compose up --build --no-cache --force-recreate
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```
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A Scala backend (cats-effect, http4s, PostgreSQL) ingests and serves the
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data; a SolidJS frontend is where operators build the graphics. Both are
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described in full under [`docs/`](docs/README.md).
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## Web
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[http://0.0.0.0:9090/](http://0.0.0.0:9090/)
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## Status
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## nginx proxy config
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```
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server {
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listen 80;
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server_name laikazinas.lsm.lv;
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Actively in development. All development, testing, and staging currently
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happens on a single Rocky Linux machine; a temporary public test
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environment for the new version is at `laikapstak.li`, gated behind
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authentication, separate from the live `laikazinas.lsm.lv` service it will
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eventually replace. Continuous integration runs automatically on every
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push via Gitea Actions.
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location / {
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proxy_pass http://localhost:9090; # Forward requests to the Scala app
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection 'upgrade';
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proxy_set_header Host $host;
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proxy_cache_bypass $http_upgrade;
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}
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}
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```
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## Security
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## Rocky development runtime
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```
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// 1st terminal
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podman-compose up postgres
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The application has been through an independent security review, with
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findings (including a critical one) found and fixed — see
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[`docs/UPDATE_ROADMAP.md`](docs/UPDATE_ROADMAP.md) for the full history.
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The public test environment sits behind Cloudflare, an authentication
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gate, and a private database with no public port. Deployments are manual,
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checksummed, and smoke-tested before going live — see
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[`docs/VPS_RELEASE_RUNBOOK.md`](docs/VPS_RELEASE_RUNBOOK.md).
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// 2nd terminal
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sbt run
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## Getting started
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// 3rd terminal
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cd web/
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npm run dev
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```
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Run one file
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```sbt "runMain grib.GribParserTest"```
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## Backend Tech:
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- scala: cats-effects, http4s, fs2, circe, scalatest
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- postgres
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## Frontend Tech:
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- SolidJS
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- Vite
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## Fly commands
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```
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// suspend instance
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fly scale count 0
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```
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```
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// check display
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fly ssh console
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df -h
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```
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```
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fly scale memory 512
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```
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See [`docs/README.md`](docs/README.md) for current status, architecture,
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and the full documentation set, and [`docs/DEVELOPMENT_AND_STAGING.md`](docs/DEVELOPMENT_AND_STAGING.md)
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for exact build, run, and deployment commands. For local setup, copy
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`.env-sample` to `.env` and fill in real values.
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