Merge pull request #108 from p1c2u/feature/docker-publish-github-action

Docker publish github action

Author: p1c2u

.github/workflows/docker-publish.yml

@@ -0,0 +1,41 @@
+# This workflow will upload Docker image when a release is created
+# For more information see: https://github.com/marketplace/actions/docker-build-push-action
+
+name: Publish docker image
+
+on:
+  workflow_dispatch:
+  release:
+    types:
+    - created
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: |
+            p1c2u/openapi-spec-validator
+          tag-semver: |
+            {{version}}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}