fixed nats healthcheck

ci/prod/compose/nats.yml

@@ -15,7 +15,9 @@ networks:
 services:
   sendico_nats:
     <<: *common-env
-    image: docker.io/library/nats:latest
+    build:
+      context: .
+      dockerfile: Dockerfile.nats
     container_name: sendico-nats
     restart: unless-stopped
     command:
@@ -34,7 +36,7 @@ services:
       - "0.0.0.0:${NATS_PORT}:${NATS_PORT}"
       - "0.0.0.0:${NATS_MONITORING_PORT}:${NATS_MONITORING_PORT}"
     healthcheck:
-      test: wget http://localhost:8222/healthz -q -S -O -
+      test: wget http://localhost:${NATS_MONITORING_PORT}/healthz -q -S -O -
       start_period: 3s
       retries: 3
       timeout: 3s