Merge pull request #115 from unt-libraries/update-docker-compose

Update docker-compose to use version 2 syntax.

docker-compose.yml

@@ -1,22 +1,24 @@
-mysql:
-    image: mysql:latest
-    environment:
-        - MYSQL_ROOT_PASSWORD=root
-        - MYSQL_DATABASE=name
+version: '2'
+services:
+    mysql:
+        image: mysql:latest
+        environment:
+            - MYSQL_ROOT_PASSWORD=root
+            - MYSQL_DATABASE=name
 
-postgres:
-    image: postgres:latest
-    environment:
-        - POSTGRES_PASSWORD=name
-        - POSTGRES_USER=name
+    postgres:
+        image: postgres:latest
+        environment:
+            - POSTGRES_PASSWORD=name
+            - POSTGRES_USER=name
 
-web:
-    build: .
-    command: python manage.py runserver 0.0.0.0:8000 
-    volumes:
-        - .:/app/
-    ports:
-        - "8000:8000"
-    links:
-        - mysql 
-        - postgres 
+    web:
+        build: .
+        command: python manage.py runserver 0.0.0.0:8000 
+        volumes:
+            - .:/app/
+        ports:
+            - "8000:8000"
+        links:
+            - mysql 
+            - postgres