diff --git a/Dockerfile b/Dockerfile
index fd41506..f6366f5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ RUN apk add --no-cache tzdata \
 
 ENV NODE_ENV=production
 ENV HOST=0.0.0.0
-ENV PORT=3000
+ENV PORT=4055
 
 # 빌드 결과물 복사
 COPY --from=builder /app/.output /app/.output
@@ -40,10 +40,7 @@ RUN addgroup -g 1001 -S nodejs \
     && chown -R nuxt:nodejs /app
 
 USER nuxt
-EXPOSE 3000
-
-HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
-    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+EXPOSE 4055
 
 # .env 로드 후 실행
 CMD ["sh", "-c", "export $(grep -v '^#' .env | xargs) && node .output/server/index.mjs"]