OBJETIVOS
- Preparar o CentOS 8;
- Instalar o Docker CE;
- Instalar o Docker Compose;
- Testes.
REQUISITOS
- Esta implementação requer um servidor
GNU/Linux CentOS 8 e selecionada a opção minimal install, o hardware
sugerido é:
- 2 vCPU;
- 2 GB RAM;
- 20 GB disco SSD;
- Rede com acesso a Internet;
PROCEDIMENTO
A seguir o procedimento para realizar a implementação.
PREPARAR O CENTOS 8
vi /etc/hostname
centos8.local
vi /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE=”Ethernet”
PROXY_METHOD=”none”
BROWSER_ONLY=”no”
BOOTPROTO=”none”
DEFROUTE=”yes”
IPV4_FAILURE_FATAL=”no”
IPV6INIT=”no”
IPV6_AUTOCONF=”yes”
IPV6_DEFROUTE=”yes”
IPV6_FAILURE_FATAL=”no”
IPV6_ADDR_GEN_MODE=”stable-privacy”
NAME=”eth0″
# UUID=””
DEVICE=”eth0″
ONBOOT=”yes”
IPADDR=”10.0.0.210″
PREFIX=”24″
GATEWAY=”10.0.0.1″
DNS1=”10.0.0.12″
DNS2=”10.0.0.13″
DOMAIN=”local”
IPV6_PRIVACY=”no”
ifup eth0
dnf update
sed -i s/SELINUX=enforcing/SELINUX=permissive/g /etc/selinux/config
setenforce 0
systemctl disable –now firewalld
INSTALAR O DOCKER CE
dnf install https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
curl -sSL https://get.docker.com | bash
systemctl enable –now docker
dnf clean all
docker -v
Docker version 19.03.3, build a872fc2f86
INSTALAÇÃO DO DOCKER COMPOSE
curl -k -SL “https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)” -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
docker-compose -v
docker-compose version 1.24.1, build 4667896b
TESTES
docker run –rm -it hello-world