Install Docker on CentOs 7+

install-docker-centos7.sh

# Run this on a CentOS 7+ VM in a Google cloud instance
# Make sure it has >3 GB memory with disk size a disk size >20 GB
# ---------------------------------------------------------------

# Install needed distribution packages:
sudo yum install -y yum-utils device-mapper-persistent-data lvm2 && \

# Configure repo:
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo && \

# Install docker and required packages:
sudo yum -y -q install \
    docker-ce \
    epel-release \
    python-pip \
    jq && \

sudo pip install docker-compose && \

# Update Python packages:
sudo yum upgrade python* && \

# Add user to the docker group:
sudo usermod -aG docker $(whoami) && \

# Add docker to automatically start at boot time:
sudo systemctl enable docker.service && \

# Finally start the docker service:
sudo systemctl start docker.service && \

# Run tests to verify installation:
sudo docker run hello-world && \
sudo docker -v && \

exit