chore: update docker image publishing

Signed-off-by: Chris Gianelloni <[email protected]>

.dockerignore

@@ -2,4 +2,3 @@
 .gitignore
 CODEOWNERS
 Dockerfile
-VERSION

.github/workflows/publish-docker-images.yml

@@ -0,0 +1,81 @@
+name: publish-docker-images
+
+on:
+  push:
+    branches: ['master']
+    tags: ['v*.*.*']
+
+concurrency: ${{ github.ref }}
+
+env:
+  IMAGE_NAME: applause/strongdm-gateway
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v2
+      - name: qemu
+        uses: docker/setup-qemu-action@v2
+      - uses: docker/setup-buildx-action@v2
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+      - id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ env.IMAGE_NAME }}
+          tags: |
+            # Only version, no revision
+            type=match,pattern=v(.*)-(.*),group=1
+            # branch
+            type=ref,event=branch
+            # semver
+            type=semver,pattern={{version}}
+      - name: push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+      # Update Docker Hub from README
+      - name: Docker Hub Description
+        uses: peter-evans/dockerhub-description@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+          repository: ${{ env.IMAGE_NAME }}
+          readme-filepath: ./README.md
+          short-description: "A container image which will register itself as a strongdm gateway"
+
+  github-release:
+    runs-on: ubuntu-latest
+    needs: [build-and-push-image]
+    steps:
+      - run: "echo \"RELEASE_TAG=${GITHUB_REF#refs/tags/}\" >> $GITHUB_ENV"
+      - uses: actions/github-script@v5
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            try {
+              await github.rest.repos.createRelease({
+                draft: false,
+                generate_release_notes: true,
+                name: process.env.RELEASE_TAG,
+                owner: context.repo.owner,
+                prerelease: false,
+                repo: context.repo.repo,
+                tag_name: process.env.RELEASE_TAG,
+              });
+            } catch (error) {
+              core.setFailed(error.message);
+            }