Add a dependency link between two containers and change the way Django migrations are done. Provide example for auto-starting the containers

docker-compose.yml.example

@@ -1,12 +1,19 @@
-version: '2'
+version: '2.1'
 
 services:
     webserver:
         build: ./
+	# uncomment the following line to start automatically on system boot
+	# restart: always
         ports:
             # You can adapt the port you want Paperless to listen on by
             # modifying the part before the `:`.
             - "8000:8000"
+	healthcheck:
+            test: ["CMD", "curl" , "-f", "http://localhost:8000"]
+            interval: 30s
+            timeout: 10s
+            retries: 5
         volumes:
             - data:/usr/src/paperless/data
             - media:/usr/src/paperless/media
@@ -21,6 +28,11 @@ services:
 
     consumer:
         build: ./
+	# uncomment the following line to start automatically on system boot
+	# restart: always
+	depends_on:
+            webserver:
+                condition: service_healthy
         volumes:
             - data:/usr/src/paperless/data
             - media:/usr/src/paperless/media