promtail healthcheck not ok

docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.8'
 
 services:
-# APP EXEMPLE
+  # APP EXEMPLE
   nginx-app:
     container_name: nginx-app
     image: nginx
@@ -11,6 +11,12 @@ services:
       logging_jobname: "containerlogs"
     ports:
       - 8080:80
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:80"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 20s
 
   grafana:
     image: grafana/grafana:latest
@@ -20,6 +26,12 @@ services:
     volumes:
       - ./grafana/provisioning/datasources:/etc/grafana/provisioning/datasources
       - ./grafana/dashboards:/var/lib/grafana/dashboards
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:3000/api/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 20s
 
   loki:
     image: grafana/loki:latest
@@ -30,9 +42,15 @@ services:
       - ./loki/config:/etc/loki
       - ./loki/certs:/etc/loki/certs
     command: -config.file=/etc/loki/config.yml
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:3100/ready"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 20s
 
   promtail:
-    image:  grafana/promtail:latest
+    image: grafana/promtail:latest
     container_name: promtail
     volumes:
       - ./promtail/config.yml:/etc/promtail/config.yml