INNER CODE UNIT · TypeScript

init

marcoturi/fastify-boilerplate · src/index.ts:9

async function init() {
  const fastify = Fastify({
    logger: {
      level: env.log.level,
      redact: ['headers.authorization'],
      // Attach the request correlation id (from the request-context ALS) to every log line,
      // including those from handlers/repositories. Falls back to a sentinel outside a request.
      mixin() {
        return { correlationId: getRequestId() };
      },
    },
    genReqId: (req) => {
      // header best practice: don't use "x-" https://www.rfc-editor.org/info/rfc6648 and keep it lowercase
      return (req.headers['request-id'] as string) ?? randomUUID();
    },
    routerOptions: {
      ignoreDuplicateSlashes: true,
    },

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