From ac9fbf6264ba5f214554905b5e0089ef5702d360 Mon Sep 17 00:00:00 2001
From: "Beomhee.Lee" <itsbeomy@union-mobile.co.kr>
Date: Fri, 31 Jul 2026 16:14:52 +0900
Subject: [PATCH] =?UTF-8?q?network=20=EC=85=8B=ED=8C=85=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80?=
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---
 docker-compose.yml | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index caeca19..7cbbaac 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -17,6 +17,8 @@ services:
     depends_on:
       - linkforty-prod
       - linkforty-sandbox
+    networks:
+      - linkforty_default
 
   # ==========================================
   # 1. 운영 (Prod) 환경
@@ -31,16 +33,17 @@ services:
       POSTGRES_DB: linkforty_prod
     volumes:
       - pgdata_prod:/var/lib/postgresql/data
+    networks:
+      - linkforty_default
 
   redis-prod:
     image: redis:7-alpine
     container_name: linkforty-redis-prod
     restart: always
+    networks:
+      - linkforty_default
 
   linkforty-prod:
-    build:
-      context: .
-      dockerfile: Dockerfile
     image: linkforty-custom:latest
     container_name: linkforty-core-prod
     restart: always
@@ -51,6 +54,8 @@ services:
     depends_on:
       - postgres-prod
       - redis-prod
+    networks:
+      linkforty_default:
 
   # ==========================================
   # 2. 개발 (Sandbox) 환경
@@ -65,16 +70,17 @@ services:
       POSTGRES_DB: linkforty_sandbox
     volumes:
       - pgdata_sandbox:/var/lib/postgresql/data
+    networks:
+      - linkforty_default
 
   redis-sandbox:
     image: redis:7-alpine
     container_name: linkforty-redis-sandbox
     restart: always
+    networks:
+      - linkforty_default
 
   linkforty-sandbox:
-    build:
-      context: .
-      dockerfile: Dockerfile
     image: linkforty-custom:latest
     container_name: linkforty-core-sandbox
     restart: always
@@ -85,7 +91,18 @@ services:
     depends_on:
       - postgres-sandbox
       - redis-sandbox
+    networks:
+      - linkforty_default
 
 volumes:
   pgdata_prod:
   pgdata_sandbox:
+
+# 💡 Nginx가 바라보던 172.18.0.0/16 대역 서브넷 및 네트워크 명시적 선언
+networks:
+  linkforty_default:
+    name: linkforty_default
+    driver: bridge
+    ipam:
+      config:
+        - subnet: 172.19.0.0/16