Added .dockerignore file to speed up local image builds

Changed Dockerfile as previos file was failing to build consistently
removed some unused packages
added compression to json payloads
changed vite ports to 3000 to not break existing builds
backend and frontend both use port 3000 now

docker-compose.yml

@@ -13,6 +13,7 @@ services:
       POSTGRES_IP: jellystat-db
       POSTGRES_PORT: 5432
       JWT_SECRET: 'my-secret-jwt-key'
+      TZ: Africa/Johannesburg  
     ports:
       - "3000:3000"
     depends_on: