script automatizador de deploy de imagens docker para o docker hub

push.sh

#!/bin/bash

if [ -z ${DOCKER_USERNAME} ]; then
    echo "Missing DOCKER_USERNAME variable!"
    exit 1
fi

error() {
    if [ $? != 0 ]; then
        echo "Error!"
        exit 122
    fi
}

build() {
    echo "=> Building ${1}"
    docker build -t ${1} .
    echo "=> Built ${1}"
}

tag() {
    echo "=> Tagging ${1}"
    docker tag ${1} $(echo $DOCKER_USERNAME)/${1}
    echo "=> Tagged ${1}"
}

push() {
    echo "=> Pushing ${1}"
    docker push $(echo $DOCKER_USERNAME)/${1}
    echo "=> Pushed ${1}"
}

build ${1}
error
tag ${1}
error
push ${1}
error
echo

exit 0