Configuration

# Database
DATABASE_URL=postgres://localhost/zeus

# Server
PORT=3000

# Logging
RUST_LOG=info

# Security (generate a strong secret)
JWT_SECRET=your-super-secret-key-min-32-chars

version: '3.8'

services:
  postgres:
    image: postgres:14
    environment:
      POSTGRES_USER: zeus
      POSTGRES_PASSWORD: zeus_password
      POSTGRES_DB: zeus
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"

  server:
    build: ./server
    environment:
      DATABASE_URL: postgres://zeus:zeus_password@postgres/zeus
      PORT: 3000
      RUST_LOG: info
    ports:
      - "3000:3000"
    depends_on:
      - postgres

volumes:
  postgres_data:

# .env.development
DATABASE_URL=postgres://localhost/zeus_dev
RUST_LOG=debug
PORT=3000

# .env.staging
DATABASE_URL=postgres://staging-db/zeus
RUST_LOG=info
PORT=3000

# .env.production
DATABASE_URL=postgres://prod-db/zeus
RUST_LOG=warn
PORT=3000
JWT_SECRET=<strong-secret-key>

use std::env;

pub struct Config {
    pub database_url: String,
    pub port: u16,
    pub jwt_secret: String,
}

impl Config {
    pub fn from_env() -> Self {
        Self {
            database_url: env::var("DATABASE_URL")
                .expect("DATABASE_URL must be set"),
            port: env::var("PORT")
                .unwrap_or_else(|_| "3000".to_string())
                .parse()
                .expect("PORT must be a number"),
            jwt_secret: env::var("JWT_SECRET")
                .unwrap_or_else(|_| generate_secret()),
        }
    }
}