diff --git a/Dockerfile b/Dockerfile
index 5145f8e..d56b558 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -66,7 +66,7 @@ EXPOSE 3000
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:3000/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })" || exit 1
+  CMD node -e "require('http').get('http://127.0.0.1:3000/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })" || exit 1
 
 # Start the application with startup script
 CMD ["/app/start.sh"]
diff --git a/docker-compose-prod.yml b/docker-compose-prod.yml
index f87a1ba..4e147a5 100644
--- a/docker-compose-prod.yml
+++ b/docker-compose-prod.yml
@@ -16,8 +16,9 @@ services:
       - "3000:3000"
     volumes:
       - storage-data:/app/.storage
+    # localhost kann auf [::1] zeigen, die App lauscht aber nur auf IPv4 (0.0.0.0) → 127.0.0.1
     healthcheck:
-      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:3000/health"]
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://127.0.0.1:3000/health"]
       interval: 30s
       timeout: 10s
       retries: 3
diff --git a/docker-compose.yml b/docker-compose.yml
index efa8928..153dcfc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ services:
     volumes:
       - ./.storage:/app/.storage
     healthcheck:
-      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:3000/"]
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://127.0.0.1:3000/"]
       interval: 30s
       timeout: 10s
       retries: 3