chore(CI): env variables should be global

Signed-off-by: Jonathan <theflametrooper@gmail.com>

.travis.yml

@@ -7,17 +7,18 @@ services:
   - docker
 
 env:
-  - REDIS_PASSWORD=PASSWORD
-  - BACKEND_PORT=8080
-  - FRONTEND_PORT=80
-  - MONGO_PORT=27017
-  - MONGO_ROOT_PASSWORD=PASSWORD_HERE
-  - MONGO_USER_USERNAME=musare
-  - MONGO_USER_PASSWORD=OTHER_PASSWORD_HERE
-  - MONGOCLIENT_PORT=3000
-  - REDIS_PORT=6379
-  - COMPOSE_PROJECT_NAME=musare
-  - FRONTEND_MODE=prod
+  global:
+    - REDIS_PASSWORD=PASSWORD
+    - BACKEND_PORT=8080
+    - FRONTEND_PORT=80
+    - MONGO_PORT=27017
+    - MONGO_ROOT_PASSWORD=PASSWORD_HERE
+    - MONGO_USER_USERNAME=musare
+    - MONGO_USER_PASSWORD=OTHER_PASSWORD_HERE
+    - MONGOCLIENT_PORT=3000
+    - REDIS_PORT=6379
+    - COMPOSE_PROJECT_NAME=musare
+    - FRONTEND_MODE=prod
 
 before_install:
   # create config files from template