CI builds and pushes to Docker Hub. (#20)

.github/workflows/docker-build-and-push.yml

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+# Based on:
+# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Docker build and push
+
+on:
+ workflow_dispatch:
+ push:
+ branches:
+ - 'main'
+ tags:
+ - 'v*.*.*'
+ pull_request:
+ branches:
+ - 'main'
+
+env:
+ DOCKER_REPO: hltcoe/concrete-python
+ TEST_TAG: hltcoe/concrete-python:ci-test
+
+jobs:
+ push_to_registry:
+ name: Build and push Docker image
+ runs-on: ubuntu-latest
+ steps:
+ - name: Check out the repo
+ uses: actions/checkout@v3
+
+ - name: Log in to Docker Hub
+ if: github.event_name != 'pull_request'
+ uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+ with:
+ username: ${{ secrets.DOCKER_USERNAME }}
+ password: ${{ secrets.DOCKER_PASSWORD }}
+
+ - name: Extract metadata (tags, labels) for Docker
+ id: meta
+ uses: docker/metadata-action@35e9aff4f5d665b5aa8a8f2adffaf8a1b5f49cc0
+ with:
+ images: ${{ env.DOCKER_REPO }}
+ tags: |
+ type=schedule
+ type=ref,event=branch
+ type=ref,event=tag
+ type=ref,event=pr
+ # set latest tag for default branch
+ type=raw,value=latest,enable={{is_default_branch}},priority=2000
+
+ - name: Build and export to Docker
+ uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+ with:
+ context: .
+ load: true
+ tags: ${{ env.TEST_TAG }}
+
+ - name: Test Docker image
+ run: |
+ docker run --rm ${{ env.TEST_TAG }} tox -e pep8,py
+ 
+ - name: Push Docker image
+ uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+ with:
+ context: .
+ push: ${{ github.event_name != 'pull_request' }}
+ tags: ${{ steps.meta.outputs.tags }}
+ labels: ${{ steps.meta.outputs.labels }}