dont pretend the ENV is in the build runtime, because it is not (#13)

syntaqx · web-flow · commit fcc5f7b45b1e · 2019-03-29T19:38:37.000-06:00
diff --git a/Dockerfile b/Dockerfile
@@ -28,9 +28,5 @@ USER serve
 
 VOLUME ["/var/www"]
 
-ARG PORT=8080
-ENV PORT $PORT
-
 CMD ["serve", "-dir", "/var/www"]
-
-EXPOSE $PORT
+EXPOSE 8080
