Here is a README.md for using the API based on your instructions:

Weather API

This API allows you to get and post weather data to a PostgreSQL database.

Prerequisites

Before using this API, ensure you have the following installed:

1. Go: Download Go
2. Docker: Install Docker

Setup

Follow the steps below to get started with the API:

1. Clone the Repository

Clone the repository to your local machine:

git clone https://github.com/bunnybunbun37204/arch-weather-server.git
cd weather-api

2. Create .env File

You need to create a .env file to store environment variables. You can get the .env file from my Discord.

3. Install Necessary Libraries

After setting up the .env file, install the necessary Go libraries:

go mod tidy

4. Start the Server

Using Docker

1. Build and run the Docker containers:

docker-compose up

Running the Server

2. Start the server by running the following Go command:

go run cmd/server/main.go

The server will start on http://localhost:8080.

API Documentation

GET /weather

This endpoint retrieves the latest weather value from the database.

Response Format:

{
    "ID": 1,
    "CreatedAt": "0001-01-01T00:00:00Z",
    "Pressure": 1013.25,
    "RelativeHumidity": 85,
    "Temperature": 30.5,
    "WindDirection": 90,
    "WindSpeed": 5,
    "CHP1": 1.2,
    "DirectSun": 400,
    "GlobalSun": 800,
    "DiffuseSun": 200,
    "RainFall": 10.5,
    "AllDayIllumination": 1200,
    "PM25": 15
}

POST /weather

This endpoint allows you to post new weather data to the database.

Request Body Format:

{
    "Pressure": 1013.25,
    "RelativeHumidity": 85,
    "Temperature": 30.5,
    "WindDirection": 90,
    "WindSpeed": 5,
    "CHP1": 1.2,
    "DirectSun": 400,
    "GlobalSun": 800,
    "DiffuseSun": 200,
    "RainFall": 10.5,
    "AllDayIllumination": 1200,
    "PM25": 15
}

Example POST Request (Using curl):

curl -X POST http://localhost:8080/weather \
    -H "Content-Type: application/json" \
    -d '{
        "Pressure": 1013.25,
        "RelativeHumidity": 85,
        "Temperature": 30.5,
        "WindDirection": 90,
        "WindSpeed": 5,
        "CHP1": 1.2,
        "DirectSun": 400,
        "GlobalSun": 800,
        "DiffuseSun": 200,
        "RainFall": 10.5,
        "AllDayIllumination": 1200,
        "PM25": 15
    }'

Troubleshooting

• If you encounter issues with Docker, ensure that Docker is properly installed and running.
• If you have issues with Go dependencies, make sure you have the correct versions of Go installed.

License

This project is licensed under the MIT License - see the LICENSE file for details.

### Key Sections:
1. **Prerequisites**: Instructions for installing Go and Docker.
2. **Setup**: Instructions for setting up the environment, creating the `.env` file, and running the server.
3. **API Documentation**: Descriptions of the `GET /weather` and `POST /weather` endpoints, with the respective response and request formats.
4. **Troubleshooting**: Provides basic troubleshooting information in case the user encounters issues.