todo Solve the problem of using environment-specific variables

Author: myfreax

docker/nginx/etc/conf.d/default.conf

@@ -1,10 +1,15 @@
+# upstream nodeSwarm{
+#     server $node_host:3030;
+# }
+
 server {
     listen       80;
     server_name  localhost;
 
     location / {
         ## TODO Gets the host name and port from the environment variable
         ## Build a nginx image with the lua module
+        set_by_lua $node_host 'return os.getenv("NODE_HOST")';
         proxy_pass   http://node:3030;
         ##set Host header
         proxy_set_header Host      $host;