Update development.md #9
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name: Publish Docker Image | |
on: | |
push: | |
branches: [ main ] | |
workflow_dispatch: | |
env: | |
# Last fragment of identifier of the docker image | |
IMAGE_NAME: ${{ github.repository }} | |
# Group identifier of the docker image, typically ${{ github.repository_owner }} or ${{ github.repository }} | |
IMAGE_GROUP_NAME: ${{ github.repository_owner }} | |
MAIN_BRANCH_NAME: main | |
jobs: | |
build-and-publish: | |
runs-on: ubuntu-latest | |
steps: | |
- uses: actions/checkout@v2 | |
- name: Build docker image | |
run: docker build . --file Dockerfile --tag $IMAGE_NAME | |
- name: Log in to the Container registry | |
run: echo "${{ github.token }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin | |
- name: Push image | |
run: | | |
IMAGE_ID=docker.pkg.github.com/$IMAGE_GROUP_NAME/$IMAGE_NAME | |
# Change all uppercase to lowercase | |
IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]') | |
# Get branch name if merge to a branch | |
GIT_BRANCH_NAME=$(echo "${{ github.ref }}" | grep 'refs/heads/.*' | cut -d"/" -f 3) | |
# Get pull request id (e.g. "pr-123" from "/pulls/123") | |
PULL_REQUEST_ID=$(echo "${{ github.event.pull_request.number }}" | grep -v "^$" | sed 's/^/pr-/') | |
# Get tag id while strip "v" prefix (e.g. "1.2" from "v1.2") | |
TAG_ID=$(echo "${{ github.ref }}" | grep 'refs/tags/.*' | cut -d"/" -f 3 | sed -e 's/^v//') | |
# Version is either "git branch name"/"pull request id"/"tag id" | |
VERSION=${GIT_BRANCH_NAME:-${PULL_REQUEST_ID:-${TAG_ID}}} | |
# Use Docker `latest` tag convention | |
[ "$VERSION" == $MAIN_BRANCH_NAME ] && VERSION=latest | |
echo IMAGE_ID=$IMAGE_ID | |
echo VERSION=$VERSION | |
docker tag $IMAGE_NAME $IMAGE_ID:$VERSION | |
docker push $IMAGE_ID:$VERSION |