cleanup console & landing page

docker-compose.yml

@@ -6,8 +6,9 @@ services:
       context: varnish
       dockerfile: Dockerfile
       args:
-        HASS_HOST: 10.0.0.82
-        FRONTEND_HOST: app
+        # sets build variables. Overridden by env, but has sane defaults
+        IMAGE_HOST: ${IMAGE_HOST:-homeassistant.local}
+        PROXY_HOST: ${PROXY_HOST:-app}
     ports:
       - '6081:6081'
     depends_on:
@@ -17,8 +18,9 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    env_file: '.env'
+    env_file: .env # sets container's environment
     environment:
       - NODE_ENV=production
-      - PORT=3000
-      - ORIGIN=http://localhost:3000
+      - PROTOCOL_HEADER=x-forwarded-proto
+      - HOST_HEADER=x-forwarded-host
+      - PORT_HEADER=x-forwarded-port