Add Docker build pipeline

dockerhub commented out until full release

.github/workflows/docker-build.yml

@@ -0,0 +1,87 @@
+name: Build Multi Arch Docker Images
+
+on:
+  push:
+    branches:
+      - master
+      - dev
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build Docker Images
+    runs-on: ubuntu-latest
+    outputs:
+      date: ${{ steps.date.outputs.date }}
+      tag: ${{ steps.branch.outputs.tag }}
+      version: ${{ steps.version.outputs.version }}
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v1
+        with:
+          image: tonistiigi/binfmt:latest
+          platforms: all
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Log in to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GHCR_PAT }}
+
+      #      - name: Login to Docker Hub
+      #        if: github.event_name != 'pull_request'
+      #        uses: docker/login-action@v1
+      #        with:
+      #          username: ${{ secrets.DOCKER_USERNAME }}
+      #          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Get current date
+        id: date
+        run: echo "::set-output name=date::$(date +"%Y-%m-%dT%H:%M:%SZ")"
+
+      - name: Get Crafty version
+        id: version
+        run: |
+          MAJOR=$(cat app/config/version.json | jq '.major' )
+          MINOR=$(cat app/config/version.json | jq '.minor' )
+          SUB=$(cat app/config/version.json | jq '.sub' )
+          META=$(cat app/config/version.json | jq -r '.meta' )
+          echo "::set-output name=version::$MAJOR.$MINOR.$SUB-$META"
+
+      - name: Get branch tag
+        id: branch
+        run: |
+          if [[ "${{ github.ref }}" == "refs/heads/master" ]]; then
+            echo "::set-output name=tag::latest"
+          else
+            echo "::set-output name=tag::$(echo "${{ github.ref }}" | sed -e 's/refs\/heads\///g')"
+          fi
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/arm64,linux/amd64
+          push: ${{ github.event_name != 'pull_request' }}
+          cache-from: type=registry,ref=${{ github.repository }}:${{ steps.branch.outputs.tag }}
+          cache-to: type=inline
+          build-args: |
+            BUILD_DATE=${{ steps.date.outputs.date }}
+            BUILD_REF=${{ github.sha }}
+            CRAFTY_VER=${{ steps.version.outputs.version }}
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ steps.branch.outputs.tag }}
+
+#           {{ GITHUB_REPOSITORY }}:${{ steps.branch.outputs.tag }}