Docker-CE Install

# INSTALL DOCKER CE

# Uninstall old versions
sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

# install required packages. yum-utils
sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

# set up the stable repository
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

# Install the latest version of Docker Engine - Community and containerd
sudo yum install docker-ce docker-ce-cli containerd.io

# Start Docker
sudo systemctl start docker
sudo systemctl enable docker

# Verify that Docker Engine - Community is installed correctly by running the hello-world image
sudo docker run hello-world

# tambahan (opsional) agar docker dapat berhubungan dengan host
# How to configure Centos 7 firewallD to allow docker containers free access to the host's network ports?
sudo firewall-cmd --permanent --zone=trusted --change-interface=docker0
sudo firewall-cmd --permanent --zone=trusted --add-port=4243/tcp
sudo firewall-cmd --reload

# optional di atas sebaiknya jangan dilakukan dulu, versi terbaru menyebabkan error setelah restart
# ERROR: ZONE_CONFLICT: 'docker0' already bound to a zone (hasil dari sudo dockerd --debug)
# solusi, ketik berikut dan restart the firewalld service and docker service, jika perlu reboot
sudo firewall-cmd --permanent --zone=trusted --remove-interface=docker0