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#!/bin/bash
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set -u
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# collect params from ENV vars
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DATE=`date +%Y-%m-%d`
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DOCKER_REPOSITORY="pelias"
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DOCKER_PROJECT="${DOCKER_REPOSITORY}/${CIRCLE_PROJECT_REPONAME}"
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BRANCH="$(echo $CIRCLE_BRANCH | tr '/' '-')" #slashes are not valid in docker tags. replace with dashes
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# the name of the image that represents the "branch", that is an image that will be updated over time with the git branch
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# the production branch is changed to "latest", otherwise the git branch becomes the name of the version
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if [[ "${BRANCH}" == "production" ]]; then
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DOCKER_BRANCH_IMAGE_VERSION="latest"
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else
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DOCKER_BRANCH_IMAGE_VERSION="$BRANCH"
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fi
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DOCKER_BRANCH_IMAGE_NAME="${DOCKER_PROJECT}:${DOCKER_BRANCH_IMAGE_VERSION}"
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# the name of the image that represents the "tag", that is an image that is named with the date and git commit and will never be changed
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DOCKER_TAG_IMAGE_VERSION="${BRANCH}-${DATE}-${CIRCLE_SHA1}"
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DOCKER_TAG_IMAGE_NAME="${DOCKER_PROJECT}:${DOCKER_TAG_IMAGE_VERSION}"
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# build image and login to docker hub
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docker build -t $DOCKER_PROJECT .
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docker login -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD"
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# copy the image to each of the two tags, and push
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docker tag $DOCKER_PROJECT $DOCKER_BRANCH_IMAGE_NAME
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docker tag $DOCKER_PROJECT $DOCKER_TAG_IMAGE_NAME
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docker push $DOCKER_BRANCH_IMAGE_NAME
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docker push $DOCKER_TAG_IMAGE_NAME
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