slack-clone-server

I am not able to setup my backend with ngnix. I am using the same commands in docker-comppose.yml and mysite.template as shown in video docker-compose.yml version: '3' services: redis: image: redis networks: webnet db: image: postgres volumes: ./pgdata:/var/lib/postgresql/data networks: webnet environment: POSTGRES_PASSWORD: postgres POSTGRES_USER: postgres POSTGRES_DB: slack ports: '3030:5432' web: image: slack-clone-server networks: webnet environment: DB_HOST: db REDIS_HOST: redis depends_on: db redis command: ['node', 'app.js'] nginx: image: nginx volumes: ./mysite.template:/etc/nginx/conf.d/mysite.template ports: '8081:80' networks: webnet depends_on: web command: /bin/bash -c "envsubst /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'" networks: webnet: AND mysite.template server { location / { proxy_pass http://web:8081; } } I am getting ERROR : cat: /etc/nginx/conf.d/mysite.template: Is a directory server_nginx_1 exited with code 1 Please help me anyone