🌦️ Weather App

Weather API application that allows users to subscribe to weather updates for their city.

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🧱 Technology stack

• ⚙️ Backend: Node.js, Express, Sequelize ORM
• 🗃️ Database: PostgreSQL
• 🐳 Infrastructure: Docker + Docker Compose

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🔧 Main functionality

• REST API for getting weather data
• Ability to subscribe to mailing list and confirm mail
• Sequelize ORM with migrations and models
• Task schedule using node-cron
• Connection to PostgreSQL
• Configuration via .env and config.json
• Support for auto-running migrations when starting a container

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🐳 To run

1. Create a .env file using the example

DB_USER=vkharkivsk
DB_PASSWORD=password
DB_NAME=weatherdb
DB_HOST=localhost
DB_PORT=5432

MAIL_USER=vlad.kharkovskiy22@gmail.com
MAIL_PASS=

WEATHER_API=

BASE_URL=http://localhost:3001/weatherapi.app/api

Or fill in the file ./config/config.json

2. docker compose up -d

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Endpoints

• GET /weather?city=Kyiv – Get current weather.

  Response:

{
  "temperature": 22.5,
  "humidity": 65,
  "description": "Partly cloudy"
}

• POST /subscribe – Subscribe with email, city, frequency.

  Request body:

{
  "email": "vlad.kharkovl@gmail.com",
  "city": "Kyiv",
  "frequency": "hourly"
}

• GET /confirm/{token} – Confirm subscription.

• GET /unsubscribe/{token} – Unsubscribe.

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AWS EC2

The application was also deployed on EC2 with a very simple frontend. In this repository https://github.com/VlADOOSit/weatherapi-react you can see the structure of the common docker-compose file and nginx

Link for app http://56.228.26.197