docker-compose.yaml

version: '3.8'
services:
          backend:
                #image: backend     to use already build image
                build: server        #image path to build
                container_name: edtechbackend
                ports:
                   - "4000:4000"
                # environment:
                #       - PORT=${PORT}
                #       - MONGODB_URL=${MONGODB_URL}
                #       - JWT_secret=${JWT_secret}
                #       - FOLDER_NAME=${FOLDER_NAME}
                #       - CLOUD_NAME=${CLOUD_NAME}
                #       - API_KEY=${API_KEY}
                #       - API_SECRET=${API_SECRET}
                #       - MAIL_HOST=${MAIL_HOST} 
                #       - MAIL_USER=${MAIL_USER}
                #       - MAIL_PASS=${MAIL_PASS}
                #       - RAZORPAY_KEY=${RAZORPAY_KEY}
                #       - RAZORPAY_SECRET=${RAZORPAY_SECRET}
                env_file:
                   - server/.env  #spicfying the path, by this no need to provide the env variables but still we are writing for knowledge
          frontend:
                  #image: frontend
                  build:
                    context: .
                  container_name: edtechfrontend
                  ports:
                    - "3000:3000"
                  depends_on:
                    - backend
                  environment:
                     REACT_APP_BASE_URL : ${REACT_APP_BASE_URL}
                     RAZORPAY_KEY : ${RAZORPAY_KEY}