Update docker-compose file to v2 format (#62)

* Added docker-compose file v2 format and renamed old one to docker-compose-v1.yml

docker-compose-v1.yml

@@ -0,0 +1,39 @@
+db:
+  build: db
+  restart: always
+  volumes:
+    - ./volumes/db/var/lib/postgresql/data:/var/lib/postgresql/data
+    - /etc/localtime:/etc/localtime:ro
+  # uncomment the following to enable backup
+  environment:
+    - MM_USERNAME=mmuser
+    - MM_PASSWORD=mmuser_password
+    - MM_DBNAME=mattermost
+  #  - AWS_ACCESS_KEY_ID=XXXX
+  #  - AWS_SECRET_ACCESS_KEY=XXXX
+  #  - WALE_S3_PREFIX=s3://BUCKET_NAME/PATH
+  #  - AWS_REGION=us-east-1
+app:
+  build: app
+  links:
+    - db:db
+  restart: always
+  volumes:
+    - ./volumes/app/mattermost/config:/mattermost/config:rw
+    - ./volumes/app/mattermost/data:/mattermost/data:rw
+    - /etc/localtime:/etc/localtime:ro
+web:
+  build: web
+  ports:
+    - "80:80"
+    - "443:443"
+  links:
+    - app:app
+  restart: always
+  volumes:
+      # This directory must have cert files
+    - ./volumes/web/cert:/cert:ro
+    - /etc/localtime:/etc/localtime:ro
+  environment:
+    - MATTERMOST_ENABLE_SSL=false
+    - PLATFORM_PORT_80_TCP_PORT=80

docker-compose.yml

@@ -1,4 +1,8 @@
-db:
+version: "2"
+
+services:
+
+  db:
     build: db
     restart: always
     volumes:
@@ -13,22 +17,20 @@ db:
     #  - AWS_SECRET_ACCESS_KEY=XXXX
     #  - WALE_S3_PREFIX=s3://BUCKET_NAME/PATH
     #  - AWS_REGION=us-east-1
-app:
+
+  app:
     build: app
-  links:
-    - db:db
     restart: always
     volumes:
       - ./volumes/app/mattermost/config:/mattermost/config:rw
       - ./volumes/app/mattermost/data:/mattermost/data:rw
       - /etc/localtime:/etc/localtime:ro
-web:
+
+  web:
     build: web
     ports:
       - "80:80"
       - "443:443"
-  links:
-    - app:app
     restart: always
     volumes:
       # This directory must have cert files