Using Docker Compose for deployment

However, you need to install the Docker Compose utility in your operating system, which requires Docker Engine as the pre-installation requirement. After the installation, the next step is to create the docker-decompose.yaml file containing all the services needed to build the images, process the Dockerfile, build the Docker network, and create and run the containers. The following snippet shows the content of our configuration file that sets up the mongo and ch11-app containers:

version: “3”
services: 
    ch11-mongo:
        image: “mongo”
        ports:
            - 27017:27017
        expose:
            - 27017
       ...