Update Nanobox and AWS deployment configs to use cleaner pipenv install command.

.ebextensions/babybuddy.config

@@ -28,7 +28,7 @@ container_commands:
     env:
       LC_ALL: en_US.utf8
       LANG: en_US.utf8
-    command: 'pipenv lock -r | pip install -r /dev/stdin'
+    command: 'pipenv --system --deploy'
   03_npm_install:
     command: 'npm install'
   04_gulp_build:

boxfile.yml

@@ -13,7 +13,7 @@ run.config:
 
   extra_steps:
     - pip install pipenv gunicorn
-    - pipenv lock -r | pip install -r /dev/stdin
+    - pipenv install --system --deploy
     - npm install
 
 deploy.config: