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README-DOCKER.md

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Prerequisite

  • docker

Prerequisite installation

Debian & Debian-based Linux distributions:

1) Apt Install

apt update
apt -y install docker-ce docker-ce-cli containerd.io

2) Install manually

apt -y install apt-transport-https ca-certificates curl
curl -fsSL https://get.docker.com/ | sh

Test the docker installation

docker run hello-world

Usage

The the following script

docker run -v {image directory}:/workdir {docker image} {script argument}

Example:

docker run \
    -v $(pwd)/images:/workdir \
    rashkopetrovdev/img-optimize:latest \
    --help

Build docker image

You can build your own docker image:

docker build \
    --squash \
    -f ./docker/Dockerfile \
    -t {docker hub account}/{image name}:{image tag} \
    -t {docker hub account}/{image name}:latest \
    .

Example:

docker build \
    --squash \
    -f ./docker/Dockerfile \
    -t rashkopetrovdev/img-optimize:stretch-slim-0.21.06.24 \
    -t rashkopetrovdev/img-optimize:latest \
    .

Push the local docker image to docker hub

Push your image to the docker hub repository

git push {docker hub account}/{image name}:{image tag}
git push {docker hub account}/{image name}:latest

Example:

git push rashkopetrovdev/img-optimize:stretch-slim-0.21.06.24
git push rashkopetrovdev/img-optimize:latest

Create an alias to simplify the process

echo "alias optimize='docker run -v \$(pwd):/workdir {docker image} {script argument}'" >> $HOME/.bashrc
source $HOME/.bashrc

Example:

echo "alias optimize='docker run -v \$(pwd):/workdir rashkopetrovdev/img-optimize:latest'" >> $HOME/.bashrc
source $HOME/.bashrc
optimize --help