Create docker-publish.yml

.github/workflows/docker-publish.yml

@@ -0,0 +1,109 @@
+name: fake-smtp-server build
+
+on:
+  schedule:
+    - cron: "0 0 * * 0"
+  push:
+    branches:
+      - "**"
+    tags:
+      - "v*.*.*"
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Run curl command to get latest version
+        id: curl_output
+        run: |
+          response=$(curl -s "https://api.github.com/repos/:owner/:repo/releases/latest")
+          
+          # Parse and extract tag_name from the JSON response
+          tag_name=$(echo $response | jq -r '.tag_name')
+  
+          # Remove the leading 'v' from tag_name
+          latest_version=${tag_name#v}
+
+      - name: Display latest version
+        run: |
+          echo "Latest Version: $latest_version"
+  
+      - name: Read version from file
+        id: read_version
+        run: |
+          echo "::set-output name=version::$(cat version.txt)"
+  
+      - name: Display version from file
+        run: |
+          echo "Version from File: ${{ steps.read_version.outputs.version }}"
+  
+      - name: Check if versions are different
+        id: check_versions
+        run: |
+          if [ "$latest_version" != "${{ steps.read_version.outputs.version }}" ]; then
+            echo "Versions are different, running Docker build..."
+            echo "::set-output name=build_docker::true"
+          else
+            echo "Versions are the same, skipping Docker build."
+            echo "::set-output name=build_docker::false"
+          fi
+
+      - name: Docker meta
+        if: steps.check_versions.outputs.build_docker == 'true'
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            haravich/fake-smtp-server
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+
+      - name: Set up QEMU
+        if: steps.check_versions.outputs.build_docker == 'true'
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        if: steps.check_versions.outputs.build_docker == 'true'
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Hub
+        if: github.event_name != 'pull_request' && steps.check_versions.outputs.build_docker == 'true'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Login to GHCR
+        if: github.event_name != 'pull_request' && steps.check_versions.outputs.build_docker == 'true'
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        if: github.event_name != 'pull_request' && steps.check_versions.outputs.build_docker == 'true'
+        uses: docker/build-push-action@v4
+        with:
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}