fix healthcheck

docker-compose.yml

@@ -110,7 +110,6 @@ services:
       - shared
     environment:
       - PORTAL_URL=nginx
-      - HOSTNAME=health-check
     expose:
       - 3100
     depends_on:

health-check/index.js

@@ -9,7 +9,7 @@ const bodyparser = require("body-parser");
 
 require("./schedule");
 
-const host = process.env.HOSTNAME || "localhost";
+const host = process.env.HOSTNAME || "0.0.0.0";
 const port = process.env.PORT || 3100;
 
 const server = express();