Laboratorio IoT @ Relewant SA - 15 gennaio 2020

demo.sh

# SHELL 1:
tmux
Ctrl+b \"
Ctrl+b o

# SHELL 1: clean docker env
docker ps -aq | xargs -r -n1 docker rm -f
docker images -aq | xargs -r -n1 docker rmi -f
clear

# esempio busybox
docker run \
    -it \
    --name busybox \
    busybox:latest
$> cd
$> ls
$> touch demo

# SHELL 2: commit image
docker ps \
    | grep "busybox:latest" \
    | awk '{print $1}' \
    | xargs -r -n1 -I '{}' \
        docker commit {} busybox:latest

# save images
docker save busybox > busybox.tar

# SHELL 1: clean docker env
$> Ctrl+D
docker ps -aq | xargs -r -n1 docker rm -f
docker images -aq | xargs -r -n1 docker rmi -f
clear

# watchtower
docker run \
    --name watchtower \
    --rm \
    -v /var/run/docker.sock:/var/run/docker.sock \
    containrrr/watchtower \
    --no-pull \
    -i 10 \
    --cleanup

# SHELL 2: run busybox
docker run \
    -it \
    --name busybox \
    busybox:latest

# SHELL 3: load new image
docker load -i busybox.tar

# check watchtower does its work
exit