From 8ced9ecf1c4a90162e9a712091e4198868c08987 Mon Sep 17 00:00:00 2001
From: "Beomhee.Lee" <itsbeomy@union-mobile.co.kr>
Date: Mon, 3 Aug 2026 20:42:59 +0900
Subject: [PATCH] =?UTF-8?q?customParameters=EC=97=90=EB=8F=84=20deepLinkPa?=
 =?UTF-8?q?rameters=EC=9D=84=20=EB=84=A3=EC=96=B4=EC=84=9C=20=EB=82=B4?=
 =?UTF-8?q?=EB=A0=A4=EC=A3=BC=EB=8F=84=EB=A1=9D=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
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---
 docker-compose.yml          | 2 ++
 src/lib/fingerprint.test.ts | 4 ++++
 src/lib/fingerprint.ts      | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/docker-compose.yml b/docker-compose.yml
index 7cbbaac..8912da5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -51,6 +51,7 @@ services:
       - DATABASE_URL=postgresql://linkforty:secret_password_prod@postgres-prod:5432/linkforty_prod?sslmode=disable
       - REDIS_URL=redis://redis-prod:6379
       - PORT=3000
+      - TRUST_PROXY=1
     depends_on:
       - postgres-prod
       - redis-prod
@@ -88,6 +89,7 @@ services:
       - DATABASE_URL=postgresql://linkforty:secret_password_sandbox@postgres-sandbox:5432/linkforty_sandbox?sslmode=disable
       - REDIS_URL=redis://redis-sandbox:6379
       - PORT=3001
+      - TRUST_PROXY=1
     depends_on:
       - postgres-sandbox
       - redis-sandbox
diff --git a/src/lib/fingerprint.test.ts b/src/lib/fingerprint.test.ts
index af3f75a..846d4be 100644
--- a/src/lib/fingerprint.test.ts
+++ b/src/lib/fingerprint.test.ts
@@ -442,6 +442,10 @@ describe('recordInstallEvent', () => {
       pid: 'recommend_user',
       u: 'abc',
     });
+    expect(result.deepLinkData.customParameters).toEqual({
+      pid: 'recommend_user',
+      u: 'abc',
+    });
     expect(result.deepLinkData.clickQueryParameters).toEqual({ u: 'abc' });
   });
 });
diff --git a/src/lib/fingerprint.ts b/src/lib/fingerprint.ts
index b5a7055..c0da968 100644
--- a/src/lib/fingerprint.ts
+++ b/src/lib/fingerprint.ts
@@ -691,6 +691,8 @@ export async function recordInstallEvent(
         utmParameters: link.utm_parameters,
         targetingRules: link.targeting_rules,
         deepLinkParameters,
+        // Backward-compatible alias for older SDKs expecting `customParameters`.
+        customParameters: deepLinkParameters,
         clickQueryParameters: clickQueryParams,
         clickedAt: match.clickedAt,
         confidenceScore: match.confidenceScore,