50 lines
1.6 KiB
TypeScript
50 lines
1.6 KiB
TypeScript
import { z } from "zod";
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/**
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* msg 服务环境变量 schema。
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*
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* 仲裁依据：
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* - G2 /readyz 多依赖检查（DB/ES/Redis/Kafka/PushGateway）
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* - M2 PushGateway 软失败（PUSH_GATEWAY_URL 可选）
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* - M4 HTTP POST /internal/push（豁免 gRPC）
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* - REDIS_URL 可选，未配置时降级到 DB 唯一索引去重
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*/
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const envSchema = z.object({
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PORT: z.string().default("3007"),
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GRPC_PORT: z.string().default("50056"),
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DATABASE_URL: z.string().url(),
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REDIS_URL: z.string().url().optional(),
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JWT_SECRET: z.string().optional(),
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JWT_ISSUER: z.string().default("next-edu-cloud"),
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KAFKA_BROKERS: z.string().default("localhost:9092"),
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KAFKA_CLIENT_ID: z.string().default("msg-service"),
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KAFKA_CONSUMER_GROUP_ID: z.string().default("msg-service-group"),
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ES_URL: z.string().url().optional(),
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PUSH_GATEWAY_URL: z.string().url().optional(),
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PUSH_INTERNAL_TOKEN: z.string().optional(),
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OTEL_EXPORTER_OTLP_ENDPOINT: z.string().url().optional(),
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LOG_LEVEL: z
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.enum(["fatal", "error", "warn", "info", "debug", "trace"])
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.default("info"),
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NODE_ENV: z
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.enum(["development", "production", "test"])
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.default("development"),
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DEV_MODE: z.string().optional().default("false"),
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});
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export type Env = z.infer<typeof envSchema>;
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export function loadEnv(): Env {
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const result = envSchema.safeParse(process.env);
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if (!result.success) {
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console.error(
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"❌ Invalid environment variables:",
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result.error.flatten().fieldErrors,
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);
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throw new Error("Invalid environment configuration");
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}
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return result.data;
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}
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export const env = loadEnv();
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