Weather Tool

Tool for downloading historical and real-time data from 33 weather stations in Latvia. It aggregates and displays data for different time periods, cities, and weather parameters.

Run

// scala
sbt run

// web
cd web/
npm run dev

Author: Guntis Smaukstelis
Mentor: Jānis Komuls

Status: Live
URL: https://weather-tool.fly.dev/
Used By: State television weather news
Repository: https://github.com/guntisdev/WeatherTool

Backend Technologies:

• cats-effects
• http4s
• pureconfig
• fs2
• circe
• scalatest

Frontend Technologies:

• SolidJS
• Vite

Deployment:

• Docker
• Shell script
• Fly.io

Database

SELECT * FROM public.weather WHERE datetime > '2023-12-9T00:00:00+00'::timestamptz;
DELETE FROM public.weather
SET TIMEZONE = 'Europe/Riga';

Docker

docker pull postgres
docker run --name local-postgres -e POSTGRES_PASSWORD=mysecretpassword -p 5432:5432 -d postgres
docker stop local-postgres
docker start local-postgres

Fly Postgres

fly machines list --app weather-tool-db
fly machines start <machine-id> --app weather-tool-db

fly proxy 15432:5432 -a weather-tool-db // map to local port for pgAdmin