Create separate production configuration

docker-compose.yml

@@ -3,7 +3,7 @@ version: "2"
 services:
   app:
     image: pathogen/threshold
-    build: .
+    build: ./docker
     volumes:
       - ${PORTAINER_GIT_DIR}:/code
     ports:
@@ -11,10 +11,12 @@ services:
       - "${THRESHOLD_RELAY_PORT}:${THRESHOLD_RELAY_PORT}"
       - "${THRESHOLD_API_PORT}:${THRESHOLD_API_PORT}"
     env_file:
-      - stack.env
+      - .env
     # for development
     extra_hosts:
       - "host.docker.internal:host-gateway"
+    volumes_from:
+        - tmp
 
   tmp:
     image: busybox