Create main.yml

Author: ghostry

.github/workflows/main.yml

@@ -0,0 +1,40 @@
+name: Publish Docker image
+
+on:
+  push:
+    branches:
+      - master
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: get_image_name
+        run: |
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "master" ] && VERSION=latest
+
+          repository=${{ github.repository }}
+          IMAGE_NAME=${{ github.actor }}/${repository##*/}:$VERSION
+
+          echo IMAGE_NAME=$IMAGE_NAME
+
+          echo "IMAGE_NAME=$IMAGE_NAME" >> $GITHUB_ENV
+      - name: Check out the repo
+        uses: actions/checkout@v2
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Push to Docker Hub
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ${{ env.IMAGE_NAME }}