Create ghcr-publish.yml

Author: junior

.github/workflows/ghcr-publish.yml

@@ -0,0 +1,82 @@
+name: Docker
+
+on:
+  push:
+    # Publish `main` as Docker `latest` image.
+    branches:
+      - main
+
+    # Publish `v1.2.3` tags as releases.
+    tags:
+      - v*
+
+  # Run tests for any PRs.
+  pull_request:
+  
+env:
+  IMAGE_NAME: SPRINGBOOTDEMO
+
+jobs:
+
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run tests
+        run: |
+            docker image build . --file Dockerfile
+
+  push:
+    needs: test
+    
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      
+      - name: Build image
+        run: docker image build --pull --no-cache --squash . --file Dockerfile --tag $IMAGE_NAME
+
+      - name: Log into registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push image
+        run: |
+          IMAGE_ID=ghcr.io/${{ github.repository }}/$IMAGE_NAME
+
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "main" ] && VERSION=latest
+
+          SEMREG='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z-]*\)'
+          SEM=`echo $VERSION | sed -e "s#^v##"`
+          TAGS=$SEM
+          MAJOR=`echo $SEM | sed -e "s#$SEMREG#\1#"`
+          MINOR=`echo $SEM | sed -e "s#$SEMREG#\2#"`
+          PATCH=`echo $SEM | sed -e "s#$SEMREG#\3#"`
+          SPECIAL=`echo $SEM | sed -e "s#$SEMREG#\4#"`
+          # add semantic tags
+          if [ "$MAJOR" != "$SEM" ] && [ -z "$SPECIAL" ]; then
+              TAGS="$SEM $MAJOR.$MINOR $MAJOR latest"
+              if [ -n "$SPECIAL" ]; then
+                  TAGS="$MAJOR.$MINOR.$PATCH $TAGS"
+              fi
+          fi
+
+          for tag in $TAGS; do
+            echo -e "\nTagging and pushing: ${IMAGE_ID}:${tag}"
+            docker image tag $IMAGE_NAME $IMAGE_ID:$tag
+          done
+          
+          docker image push --all-tags $IMAGE_ID
+