storage-node-v2: Update docker compose.

docker-compose.yml

@@ -19,7 +19,7 @@ services:
       - "127.0.0.1:9933:9933"
 
   colossus:
-    image: joystream/colossus
+    image: joystream/colossus:latest
     restart: on-failure
     build:
       context: .
@@ -31,8 +31,10 @@ services:
       - /keystore
     ports:
       - '127.0.0.1:3333:3333'
+    env_file:
+      # relative to working directory where docker-compose was run from
+      - .env
     environment:
-      - WS_PROVIDER_ENDPOINT_URI=ws://host.docker.internal:9944
       - COLOSSUS_PORT=3333
       - QUERY_NODE_HOST=graphql-server-mnt:8081
       - WORKER_ID=0