Yum Repository Configuration

Update the package manager to utilize accelerated mirrors. Preserve the existing configuration before modifications:

cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak

Fetch the updated repository definition:

curl -fsSL -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

Rebuild the package cache:

yum clean all && yum makecache fast

If process lock errors occur, clear the stale PID file:

rm -f /var/run/yum.pid

Docker Engine Setup

Cleanup of Existing Installations

When upgrading or replacing previous Docker versions, purge legacy data:

# Terminate active containers
docker stop $(docker ps -q) 2>/dev/null || true

# Eliminate containers and layer cache
docker rm $(docker ps -aq) 2>/dev/null || true
docker rmi $(docker images -q) 2>/dev/null || true

# Remove packages
yum remove -y docker-ce docker-ce-cli containerd.io docker-common

# Purge residual data
rm -rf /var/lib/docker /var/lib/containerd /etc/docker

Package Installation

Install prerequisite utilities:

yum install -y yum-utils device-mapper-persistent-data lvm2

Register the Docker CE repository using domestic mirrors:

yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

Deploy the Docker components:

yum makecache fast
yum install -y docker-ce docker-ce-cli containerd.io

Service Configuration

Establish the configuration directory structure:

mkdir -p /etc/docker

Implement registry mirror acceleration to improve pull speeds:

cat > /etc/docker/daemon.json <<'JSON_EOF'
{
  "registry-mirrors": [
    "https://docker.m.daocloud.io",
    "https://docker.1panel.live",
    "https://hub.rat.dev"
  ],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file": "3"
  }
}
JSON_EOF

Initialize the service:

systemctl daemon-reload
systemctl enable --now docker

Validate the deployment:

docker run --rm hello-world

Docker Compose Deployment

Define the target version and binary location:

COMPOSE_RELEASE="v2.24.0"
BINARY_PATH="/usr/local/bin/docker-compose"

Retrieve the compiled binary:

curl -L "https://github.com/docker/compose/releases/download/${COMPOSE_RELEASE}/docker-compose-linux-x86_64" \
  -o ${BINARY_PATH}

Apply execution permissions and system-wide linkage:

chmod +x ${BINARY_PATH}
ln -sf ${BINARY_PATH} /usr/bin/docker-compose

Confirm functionality:

docker-compose version