Check if image exist instead of doesnt exist #12

	on:
	push:
	branches:
	- "ekw/SRE-1004/release-base-image"

	env:
	RUST_VERSION: "1.73.0"
	GHC_VERSION: "9.6.4"
	IMAGE_TAG: rust1.73-ghc9.6.4

	jobs:
	release-base-image:
	runs-on: ubuntu-latest
	environment: release
	env:
	IMAGE_NAME: "concordium/base"
	DOCKERHUB_USERNAME: ${{secrets.DOCKERHUB_USERNAME}}
	DOCKERHUB_TOKEN: ${{secrets.DOCKERHUB_TOKEN}}

	steps:
	- name: Check if image exist
	run: \|
	set +e
	docker manifest inspect ${{env.IMAGE_NAME}}:${{env.IMAGE_TAG}}
	exitcode=$?
	if [ $exitcode -eq "0" ]; then
	echo "Error: ${{env.IMAGE_NAME}}:rust${{env.RUST_VERSION}}-ghc${{env.GHC_VERSION}} already exist"
	exit 1
	fi

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ env.DOCKERHUB_USERNAME }}
	password: ${{ env.DOCKERHUB_TOKEN }}

	- name: Clone repo
	uses: actions/checkout@v4
	with:
	ref: ${{ github.ref_name }}

	- name: build docker image
	run: \|
	docker build --build-arg rust_version="${{env.RUST_VERSION}}" --build-arg ghc_version="${{env.GHC_VERSION}}" --label rust_version="${{env.RUST_VERSION}}" --label ghc_version="${{env.GHC_VERSION}}" -f "docker/base.Dockerfile" -t "${{env.IMAGE_NAME}}:${{env.IMAGE_TAG}}" .

	- name: Push docker image
	run: \|
	echo ${{env.IMAGE_NAME}}:${{env.IMAGE_TAG}}

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