change docker compose

docker-compose.yml

@@ -1,8 +1,15 @@
+networks:
+    snowboard:
+        name: snowboard
+        external: true
 services:
   jekyll:
     build: .
+    restart: always
     volumes:
       - .:/app
     ports:
       - "4000:4000"
     container_name: jekyll
+    networks:
+      - snowboard