docker-1-14dec

# materi presentasi
- virtualization
- contianer
- virt vs container
- what & why docker?

https://docs.google.com/presentation/d/1pE-7hoURxkZ2DSlFc-ULLkTsU4MmcvEyZruyCOVIRxE/edit?usp=sharing

# buat akun docker hub
https://hub.docker.com/

# chroot
mkdir -p /var/jail/{dev,etc,lib,lib64,usr,bin}
mkdir -p /var/jail/usr/bin
chown root.root /var/jail

buat /dev/null dengan perintah `mknod -m 666 /var/jail/dev/null c 1 3`

cd /var/jail/etc
cp /etc/ld.so.cache .
cp /etc/ld.so.conf .
cp /etc/nsswitch.conf .
cp /etc/hosts .

cd /var/jail/bin
cp /bin/ls .
cp /bin/bash .

ldd /bin/ls

cd /sbin
wget -O l2chroot http://www.cyberciti.biz/files/lighttpd/l2chroot.txt
chmod +x l2chroot

nano l2chroot

edit `BASE="/webroot" ke BASE="/var/jail"`
 
l2chroot /bin/ls
l2chroot /bin/bash

chroot /var/jail

ls
pwd
cp

exit

cd /var/jail
ls
cd bin
ls
which pwd
cp /bin/pwd .
which curl
cp /usr/bin/curl .
ldd /bin/pwd
ldd /usr/bin/curl

l2chroot /bin/pwd
l2chroot /usr/bin/curl

chroot /var/jail

# install docker debian
sudo su -
apt update
apt upgrade

apt install -y apt-transport-https ca-certificates curl software-properties-common gnupg2
curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"

apt update
apt install docker-ce

docker version

# docker image
docker image ls
docker images

# pull image
docker pull [image]

# run container
docker run [nginx]
--name [nama container]
--rm

# container list
docker ps
docker container ls

# akses kedalam docker
docker exec [id container] bash

# expose port
-p port:port

# dockerfile
```
FROM ubuntu:18.04

RUN apt update -y && apt install -y nginx
RUN echo "ini adit" > /var/www/html/index.html

EXPOSE 80
ENTRYPOINT ["nginx", "-g", "daemon off;"]
```

# build image
docker build -t [imagename] .
docker images
docker run [imagename]
docker container prune

# remove image
docker rmi [imagename]

# docker volume
docker volume create latihan1-vol
docker volume ls
docker volume rm [volumename]

-v [volname]:path

docker exec -it [containername] bash

docker volume inspect [volname]

# docker hub
https://hub.docker.com

docker login

docker tag [image] [username]/[image]

docker push [image]