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.

Setup

Rename .env-sample to .env and fill in credentials

Run

docker-compose up --build --no-cache --force-recreate

Web

http://0.0.0.0:9090/

nginx proxy config

server {
    listen 80;
    server_name laikazinas.lsm.lv;

    location / {
        proxy_pass http://localhost:9090; # Forward requests to the Scala app
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}

Local development

// 1st terminal
podman-compose up postgres

// 2nd terminal
sbt run

// 3rd terminal
cd web/
npm run dev

Run one file sbt "runMain grib.GribParserTest"

Backend Tech:

scala: cats-effects, http4s, fs2, circe, scalatest
postgres

Frontend Tech:

SolidJS
Vite

Fly commands

// suspend instance
fly scale count 0

// check display
fly ssh console
df -h

fly scale memory 512

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