docmachine-containers/.github/workflows/build-and-publish.yml

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---
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name: "Build and Publish"
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on:
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# run it on push to the default repository branch
push:
branches: [master]
# run it during pull request
pull_request:
defaults:
# define job to build and publish docker image
build-and-push-docker-image:
name: Build Docker image and push to repositories
# run only when code is compiling and tests are passing
runs-on: ubuntu-latest
# steps to perform in job
steps:
- name: Checkout code
uses: actions/checkout@v2
# setup Docker buld action
- name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@v1
- name: Login to DockerHub
uses: docker/login-action@v1
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Build image and push to Docker Hub and GitHub Container Registry
uses: docker/build-push-action@v2
with:
# relative path to the place where source code with Dockerfile
# is located
context: ./src/samples/simple
# Note: tags has to be all lower-case
tags: |
glenux/teaching-boilerplate:latest
# build on feature branches, push only on main branch
push: ${{ github.ref == 'refs/heads/master' }}
- name: Image digest
run: echo ${{ steps.docker_build.outputs.digest }}