added healthchecks and removed exposed password from compose.yaml

reverse_proxy/compose.yaml

@@ -17,3 +17,8 @@ services:
       options:
         max-size: "50m"
         max-file: "3"
+    healthcheck:
+      test: ["CMD", "/usr/bin/check-health"]
+      interval: 10s
+      timeout: 3s
+      retries: 3