Adding missing environment variable.

hosting/single/Dockerfile

@@ -50,7 +50,8 @@ ENV \
   SELF_HOSTED=1 \
   TARGETBUILD=$TARGETBUILD \
   WORKER_PORT=4002 \
-  WORKER_URL=http://localhost:4002
+  WORKER_URL=http://localhost:4002 \
+  APPS_URL=http://localhost:4001
 
 # install base dependencies
 RUN apt-get update && \

hosting/single/test.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
-id=$(docker run -t -d -p 80:80 budibase:latest)
+id=$(docker run -t -d -p 8080:80 budibase:latest)
 docker exec -it $id bash
 docker kill $id