From 9a8a054293d79a60751ce09b9d4bf47a0a92fd4c Mon Sep 17 00:00:00 2001
From: Phillip Ho <arcoraven@gmail.com>
Date: Fri, 4 Jul 2025 02:12:14 +0800
Subject: [PATCH] chore: expose webhook concurrency in env var (#904)

---
 src/shared/utils/env.ts                 | 3 +++
 src/worker/tasks/send-webhook-worker.ts | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/shared/utils/env.ts b/src/shared/utils/env.ts
index 4d2f5734..3db48dcb 100644
--- a/src/shared/utils/env.ts
+++ b/src/shared/utils/env.ts
@@ -94,6 +94,8 @@ export const env = createEnv({
     CUSTOM_HMAC_AUTH_CLIENT_ID: z.string().optional(),
     CUSTOM_HMAC_AUTH_CLIENT_SECRET: z.string().optional(),
 
+    SEND_WEBHOOK_QUEUE_CONCURRENCY: z.coerce.number().default(10),
+
     /**
      * Experimental env vars. These may be renamed or removed in future non-major releases.
      */
@@ -167,6 +169,7 @@ export const env = createEnv({
       process.env.EXPERIMENTAL__MINE_WORKER_MAX_POLL_INTERVAL_SECONDS,
     EXPERIMENTAL__MINE_WORKER_POLL_INTERVAL_SCALING_FACTOR:
       process.env.EXPERIMENTAL__MINE_WORKER_POLL_INTERVAL_SCALING_FACTOR,
+    SEND_WEBHOOK_QUEUE_CONCURRENCY: process.env.SEND_WEBHOOK_QUEUE_CONCURRENCY,
   },
   onValidationError: (error: ZodError) => {
     console.error(
diff --git a/src/worker/tasks/send-webhook-worker.ts b/src/worker/tasks/send-webhook-worker.ts
index 61649133..7b2037c2 100644
--- a/src/worker/tasks/send-webhook-worker.ts
+++ b/src/worker/tasks/send-webhook-worker.ts
@@ -23,6 +23,7 @@ import {
   SendWebhookQueue,
   type WebhookJob,
 } from "../queues/send-webhook-queue";
+import { env } from "../../shared/utils/env";
 
 const handler: Processor<string, void, string> = async (job: Job<string>) => {
   const { data, webhook } = superjson.parse<WebhookJob>(job.data);
@@ -102,7 +103,7 @@ const handler: Processor<string, void, string> = async (job: Job<string>) => {
 // Must be explicitly called for the worker to run on this host.
 export const initSendWebhookWorker = () => {
   new Worker(SendWebhookQueue.q.name, handler, {
-    concurrency: 10,
+    concurrency: env.SEND_WEBHOOK_QUEUE_CONCURRENCY,
     connection: redis,
   });
 };