remove reference to .env file from docker-compose.yml

.travis.yml

@@ -1,3 +1,4 @@
+sudo: required
 language: node_js
 node_js:
  - "8.11.1"
@@ -10,3 +11,13 @@ before_install:
   - docker-compose up -d
   - docker ps -a
 
+before_script:
+# Install dependencies in the app container
+- docker-compose exec -T app composer self-update
+- docker-compose exec -T app composer install --no-interaction
+- docker-compose exec -T app composer dump-autoload -o 
+
+script:
+# Run unit tests in the app container
+- docker-compose exec -T app npm run test --verbose
+

docker-compose.yml

@@ -15,8 +15,8 @@ services:
       context: .
       dockerfile: Dockerfile
       target: production
-    env_file:
-      - .env
+    # env_file:
+    #   - .env
     environment:
       - MONGO_URL=mongodb://mongo:27017/p5js-web-editor
       # - API_URL=https://localhost/api