add docker buildx github action

Signed-off-by: Azri Kahar <azrikahar@outlook.com>

.github/workflows/docker.yml

@@ -0,0 +1,77 @@
+name: docker
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Docker image tag"
+        required: true
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    env:
+      working-directory: ./packages/nocodb
+    strategy:
+      matrix:
+        node-version: [12]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - uses: bahmutov/npm-install@v1
+        with:
+          working-directory: ${{ env.working-directory }}
+
+      - name: Build nocodb and docker files
+        run: |
+          npm run build
+          npm run docker:build
+        working-directory: ${{ env.working-directory }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Login to DockerHub
+        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: ${{ env.working-directory }}
+          build-args: NC_VERSION=${{ github.event.inputs.tag }}
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+          push: true
+          tags: |
+            nocodb/nocodb:${{ github.event.inputs.tag }}
+            nocodb/nocodb:latest
+
+        # Temp fix
+        # https://github.com/docker/build-push-action/issues/252
+        # https://github.com/moby/buildkit/issues/1896
+      - name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache