diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 47a81c4..370b74d 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -29,6 +29,14 @@ jobs:
         run: |
           npx prisma generate
 
+      - name: Build Next app
+        env:
+          # 빌드 시에도 Prisma Client 가 필요하므로 더미 DATABASE_URL 을 사용한다.
+          DATABASE_URL: postgresql://example:example@localhost:5432/example
+          PRISMA_ENGINES_CHECKSUM_IGNORE_MISSING: "1"
+        run: |
+          npm run build
+
       - name: Run unit tests
         if: github.event_name == 'push'
         env:
diff --git a/package.json b/package.json
index 5b4aa7b..31b433b 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
+    "start:e2e": "next start -p 3000",
     "lint": "next lint",
     "test": "vitest run",
     "e2e": "playwright test"
diff --git a/playwright.config.ts b/playwright.config.ts
index f9235c7..64ac299 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -1,5 +1,7 @@
 import { defineConfig, devices } from "@playwright/test";
 
+const isCI = !!process.env.CI;
+
 export default defineConfig({
   testDir: "./tests/e2e",
   timeout: 30_000,
@@ -17,9 +19,11 @@ export default defineConfig({
     },
   ],
   webServer: {
-    command: "npm run dev",
+    // CI 에서는 프로덕션 빌드 서버(next start)를 대상으로 E2E 를 수행해
+    // dev 모드의 느린 HMR/StrictMode 2회 렌더로 인한 flakiness 를 줄인다.
+    command: isCI ? "npm run start:e2e" : "npm run dev",
     url: "http://localhost:3000",
-    reuseExistingServer: !process.env.CI,
+    reuseExistingServer: !isCI,
     timeout: 120_000,
   },
 });
diff --git a/uploads/268f2133-6f72-44a5-ab84-729fdd8887fe b/uploads/268f2133-6f72-44a5-ab84-729fdd8887fe
new file mode 100644
index 0000000..b9954d9
--- /dev/null
+++ b/uploads/268f2133-6f72-44a5-ab84-729fdd8887fe
@@ -0,0 +1 @@
+PNG TEST FIXTURE
diff --git a/uploads/59618a73-4686-44da-86a3-44cbd8ff5fc8 b/uploads/59618a73-4686-44da-86a3-44cbd8ff5fc8
new file mode 100644
index 0000000..b9954d9
--- /dev/null
+++ b/uploads/59618a73-4686-44da-86a3-44cbd8ff5fc8
@@ -0,0 +1 @@
+PNG TEST FIXTURE
diff --git a/uploads/6a17dd96-2e73-439e-9524-789c522dad07 b/uploads/6a17dd96-2e73-439e-9524-789c522dad07
new file mode 100644
index 0000000..b9954d9
--- /dev/null
+++ b/uploads/6a17dd96-2e73-439e-9524-789c522dad07
@@ -0,0 +1 @@
+PNG TEST FIXTURE
diff --git a/uploads/b2c93be7-3970-411d-96a1-e481f51d9c18 b/uploads/b2c93be7-3970-411d-96a1-e481f51d9c18
new file mode 100644
index 0000000..b9954d9
--- /dev/null
+++ b/uploads/b2c93be7-3970-411d-96a1-e481f51d9c18
@@ -0,0 +1 @@
+PNG TEST FIXTURE
diff --git a/uploads/d761f0a1-b02a-4fd3-b510-6b50528e2050 b/uploads/d761f0a1-b02a-4fd3-b510-6b50528e2050
new file mode 100644
index 0000000..b9954d9
--- /dev/null
+++ b/uploads/d761f0a1-b02a-4fd3-b510-6b50528e2050
@@ -0,0 +1 @@
+PNG TEST FIXTURE