Resolve minor build related issues #415

	name: Build/Push docker image

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	# This is what will cancel the workflow
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	IMAGE_NAME: sumeetchhetri/ffead-cpp-base
	JAVA_IMAGE_NAME: sumeetchhetri/ffead-cpp-java-base
	IMG_VERSION: "7.0"
	jobs:
	push:
	runs-on: ubuntu-latest
	if: contains(github.event.head_commit.message, '[docker_push]')
	steps:
	- uses: actions/checkout@v2

	- name: Build base ffead-cpp image
	run: \|
	cd docker/te
	docker build . --file ffead-cpp-base.dockerfile --tag $IMAGE_NAME

	- name: Log into registry
	run: echo "${{ secrets.DOCKER_PASSWORD }}" \| docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin

	- name: Push base ffead-cpp image
	run: \|
	IMAGE_ID=$IMAGE_NAME

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')

	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	# Strip "v" prefix from tag name
	#[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')

	# Use Docker `$IMG_VERSION` tag convention
	[ "$VERSION" == "master" ] && VERSION=$IMG_VERSION

	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION

	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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