57 lines
1.6 KiB
TypeScript
57 lines
1.6 KiB
TypeScript
import { readFileSync } from "node:fs";
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import os from "node:os";
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import { type } from "arktype";
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import "dotenv/config";
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const getResticHostname = () => {
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try {
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const mountinfo = readFileSync("/proc/self/mountinfo", "utf-8");
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const hostnameLine = mountinfo.split("\n").find((line) => line.includes(" /etc/hostname "));
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const hostname = os.hostname();
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if (hostnameLine) {
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const containerIdMatch = hostnameLine.match(/[0-9a-f]{64}/);
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const containerId = containerIdMatch ? containerIdMatch[0] : null;
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if (containerId?.startsWith(hostname)) {
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return "zerobyte";
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}
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return hostname || "zerobyte";
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}
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} catch {}
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return "zerobyte";
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};
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const envSchema = type({
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NODE_ENV: type.enumerated("development", "production", "test").default("production"),
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SERVER_IP: 'string = "localhost"',
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SERVER_IDLE_TIMEOUT: 'string.integer.parse = "60"',
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RESTIC_HOSTNAME: "string?",
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PORT: 'string.integer.parse = "4096"',
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MIGRATIONS_PATH: "string?",
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APP_VERSION: "string = 'dev'",
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}).pipe((s) => ({
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__prod__: s.NODE_ENV === "production",
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environment: s.NODE_ENV,
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serverIp: s.SERVER_IP,
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serverIdleTimeout: s.SERVER_IDLE_TIMEOUT,
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resticHostname: s.RESTIC_HOSTNAME || getResticHostname(),
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port: s.PORT,
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migrationsPath: s.MIGRATIONS_PATH,
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appVersion: s.APP_VERSION,
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}));
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const parseConfig = (env: unknown) => {
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const result = envSchema(env);
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if (result instanceof type.errors) {
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console.error(`Environment variable validation failed: ${result.toString()}`);
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throw new Error("Invalid environment variables");
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}
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return result;
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};
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export const config = parseConfig(process.env);
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