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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { z } from 'zod';
import dotenv from 'dotenv';
// Load .env once on first import
dotenv.config();
const schema = z.object({
NATS_URL: z.string().default('nats://localhost:4222'),
PORT: z.string().optional(),
OTEL_EXPORTER_OTLP_ENDPOINT: z.string().default('http://localhost:4317'),
LOG_LEVEL: z.string().default('info'),
});
function toEnvPrefix(serviceName: string): string {
return serviceName.replace(/[^a-zA-Z0-9]/g, '_').toUpperCase();
}
export function loadConfig(serviceName: string) {
const env = schema.parse(process.env);
const prefix = toEnvPrefix(serviceName);
const specificPortVar = `${prefix}_PORT`;
const portStr = process.env[specificPortVar] ?? env.PORT;
return {
natsUrl: env.NATS_URL,
port: portStr ? Number(portStr) : undefined,
otlpEndpoint: env.OTEL_EXPORTER_OTLP_ENDPOINT,
logLevel: env.LOG_LEVEL,
};
}
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