fix: use 127.0.0.1 instead of localhost in healthcheck (IPv6 resolution issue)

Dockerfile

@@ -11,4 +11,4 @@ RUN sed -i '/location \/ {/a\        try_files $uri $uri/ /index.html;' /etc/ngi
 COPY --from=build /app/dist /usr/share/nginx/html
 EXPOSE 3000
 HEALTHCHECK --interval=60s --timeout=10s --retries=3 \
-  CMD wget -qO- http://localhost:3000/ || exit 1
+  CMD wget -qO- http://127.0.0.1:3000/ || exit 1

docker-compose.yml

@@ -7,7 +7,7 @@ services:
     ports:
       - "${HOST_PORT:-3000}:3000"
     healthcheck:
-      test: ["CMD", "wget", "-qO-", "http://localhost:3000/"]
+      test: ["CMD", "wget", "-qO-", "http://127.0.0.1:3000/"]
       interval: 60s
       timeout: 10s
       retries: 3