离线安装docker并离线安装应用 (by quqi99)-蒲公英云

离线安装docker并离线安装应用 (by quqi99)

echo 'step 1 - install offline docker'
wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.7.tgz
cat << EOF |tee docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
# Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version.
#TasksMax=infinity
TimeoutStartSec=0
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process
# restart the docker process if it exits prematurely
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target
EOF
cat << EOF |tee install.sh
#!/bin/sh
tar -xvf \$1
cp docker/* /usr/bin/
cp docker.service /etc/systemd/system/
chmod +x /etc/systemd/system/docker.service
systemctl daemon-reload
systemctl start docker
systemctl enable docker.service
docker -v
sudo systemctl status docker
EOF
cat << EOF |tee uninstall.sh
#!/bin/sh
rm -f /etc/systemd/system/docker.service
rm -rf /usr/bin/docker*
systemctl daemon-reload
EOF
sudo sh ./install.sh ./docker-20.10.7.tgz
echo 'step 2 - make a test image'
cat << EOF | sudo tee simple-go-http-server.go
package main
import (
    "io"
    "log"
    "net/http"
    "os"
    "time")
type myHandler struct{}
func (*myHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
    io.WriteString(w, "ok")
}
func main() {
    var port string
    port = ":" + os.Args[1]
    srv := &http.Server{
        Addr:         port,
        Handler:      &myHandler{},
        ReadTimeout:  30 * time.Second,
        WriteTimeout: 30 * time.Second,
    }
    log.Fatal(srv.ListenAndServe())
}
EOF
cat << EOF |tee Dockerfile
FROM golang:latest
RUN mkdir /app 
ADD simple-go-http-server.go /app/ 
WORKDIR /app 
CMD [ "go", "run", "/app/simple-go-http-server.go", "8080" ]
EOF
sudo docker build -t simple-go-http-server .
echo 'step 3 - save image to local file'
IMG_ID=$(docker image ls |awk '/simple-go-http-server/ {print $3}')
# docker save -o images.tar postgres:9.6 mongo:3.4
docker save $IMG_ID > myapp.tar
echo ' step 4 - load image'
docker load < myapp.tar
IMG_ID2=$(docker image ls |awk '/none/ {print $3}')
docker image tag $IMG_ID2 zhhuabj/myapp:latest
echo 'step 5 - test image'
sudo docker run -d --rm --name myapp zhhuabj/myapp:latest
APP_IP=$(docker inspect myapp |grep '"IPAddress"' |head -n1 |awk -F '"' '{print $4}')
curl ${APP_IP}:8080