Update and restructure YAML file for Docker. [skip ci]

docker-compose.yml

@@ -1,36 +1,38 @@
-version: '3.2'
-services:
-  firefly_iii_db:
-    image: mysql:8
-    environment:
-      - MYSQL_DATABASE=firefly_db
-      - MYSQL_USER=firefly_db
-      - MYSQL_PASSWORD=firefly_db_secret
-      - MYSQL_RANDOM_ROOT_PASSWORD=yes
-    volumes:
-      - firefly_iii_db:/var/lib/mysql
-  firefly_iii_app:
-    image: jc5x/firefly-iii
-    environment:
+--- 
+services: 
+  firefly_iii_app: 
+    environment: 
       - FF_DB_HOST=firefly_iii_db
       - FF_DB_NAME=firefly_db
       - FF_DB_USER=firefly_db
       - FF_DB_PASSWORD=firefly_db_secret
       - FF_APP_KEY=S0m3R@nd0mStr1ngOf32Ch@rsEx@ctly
       - FF_APP_ENV=local
-    ports:
+    image: jc5x/firefly-iii
+    links: 
+      - firefly_iii_db
+    ports: 
       - "80:80"
-    volumes:
-      - type: volume
+    volumes: 
+      - 
         source: firefly_iii_export
         target: /var/www/firefly-iii/storage/export
-      - type: volume
+        type: volume
+      - 
         source: firefly_iii_upload
         target: /var/www/firefly-iii/storage/upload
-    links:
-      - firefly_iii_db
-
-volumes:
-  firefly_iii_db:
-  firefly_iii_export:
-  firefly_iii_upload:
+        type: volume
+  firefly_iii_db: 
+    environment: 
+      - MYSQL_DATABASE=firefly_db
+      - MYSQL_USER=firefly_db
+      - MYSQL_PASSWORD=firefly_db_secret
+      - MYSQL_RANDOM_ROOT_PASSWORD=yes
+    image: "mysql:8"
+    volumes: 
+      - "firefly_iii_db:/var/lib/mysql"
+version: "3.2"
+volumes: 
+  firefly_iii_db: ~
+  firefly_iii_export: ~
+  firefly_iii_upload: ~