From 2d938ea45bbee557036ff71a31d3286faaf3bdac Mon Sep 17 00:00:00 2001
From: johngreen <ramses7448@gmail.com>
Date: Wed, 29 Apr 2026 12:47:17 +0900
Subject: [PATCH] =?UTF-8?q?ci:=20frontend=20cache-bust=20+=20=EC=A7=84?=
 =?UTF-8?q?=EB=8B=A8=EC=97=90=20deploy=20=EC=9D=B4=EB=AF=B8=EC=A7=80=20?=
 =?UTF-8?q?=ED=91=9C=EC=8B=9C?=
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빌드 컨텍스트 변경에도 운영 frontend chunk 에 신규 라우트가 들어가지
않는 증상 발견. Kaniko/Docker layer cache 가 npm run build 단계를
잘못된 시점에 hit 하는 것으로 의심. GIT_SHA build-arg 를 npm run build
직전에 주입해 매 commit 마다 그 layer 부터 강제 invalidate.

또 진단 step 에 deploy 이미지 tag 표시 추가 — 새 image 로 갱신
됐는지 즉시 확인 가능.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 .gitea/workflows/deploy.yml       | 7 +++++++
 docker/deploy/frontend.Dockerfile | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 4a88c4c9..1e22daba 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -31,6 +31,7 @@ jobs:
       - name: Build frontend
         run: |
           docker build -t ${{ env.REGISTRY }}/${{ env.PROJECT }}/frontend:${{ env.SHORT_SHA }} \
+            --build-arg GIT_SHA=${{ env.SHORT_SHA }} \
             -f docker/deploy/frontend.Dockerfile \
             frontend/
 
@@ -81,6 +82,12 @@ jobs:
           echo "============================================"
           kubectl get pods -n invyone -o wide || true
 
+          echo
+          echo "============================================"
+          echo "=== Deployment images (현재 어떤 tag 가 떠있는지) ==="
+          echo "============================================"
+          kubectl get deploy -n invyone -o jsonpath='{range .items[*]}{.metadata.name}{": "}{.spec.template.spec.containers[*].image}{"\n"}{end}' || true
+
           echo
           echo "============================================"
           echo "=== backend-spring describe ==="
diff --git a/docker/deploy/frontend.Dockerfile b/docker/deploy/frontend.Dockerfile
index 63e16f2b..46490573 100644
--- a/docker/deploy/frontend.Dockerfile
+++ b/docker/deploy/frontend.Dockerfile
@@ -25,6 +25,13 @@ ARG SERVER_API_URL=http://backend-spring.invyone.svc.cluster.local:8081
 ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
 ENV SERVER_API_URL=$SERVER_API_URL
 
+# Cache bust — GIT_SHA 가 매 commit 마다 다르므로 이 라인부터 아래 layer 가
+# 항상 invalidate 되어 npm run build 가 새 source 로 다시 실행됨.
+# (npm install layer 는 위쪽이라 영향 없음 — 빌드 시간 손해 없음.)
+ARG GIT_SHA=unknown
+ENV GIT_SHA=$GIT_SHA
+RUN echo "Build SHA: $GIT_SHA"
+
 # Build the application
 ENV DISABLE_ESLINT_PLUGIN=true
 RUN npm run build