Create docker-build-publish.yml

.github/workflow/docker-build-publish.yml

@@ -0,0 +1,39 @@
+name: Build and publish Docker image
+on:
+  # Trigger the workflow on push or pull request,
+  # for the develop branch and all new tags
+  push:
+    branches:
+      - master
+    tags:
+      - v*
+      - preview-*
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Fetch Prune Unshallow Tags
+      run: git fetch --prune --unshallow --tags
+    - name: Extract branch name
+      shell: bash
+      run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+      id: extract_branch
+    - name: Extract commit hash
+      shell: bash
+      run: echo "##[set-output name=hash;]$(git rev-parse --short ${GITHUB_SHA})"
+      id: extract_hash
+    - name: Extract latest tag
+      shell: bash
+      run: echo ::set-env name=RELEASE_VERSION::$(git describe --tags --abbrev=0 ${GITHUB_SHA})
+    - name: Publish to Registry
+      uses: elgohr/Publish-Docker-Github-Action@master
+      env:
+        GIT_BRANCH: ${{ steps.extract_branch.outputs.branch }}
+        GIT_REVISION: ${{ steps.extract_hash.outputs.hash }}
+      with:
+        name: c2dhunilu/journal-of-digital-history
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_PASSWORD }}
+        buildargs: GIT_BRANCH,GIT_REVISION
+        tags: "${{ env.RELEASE_VERSION }}"