support ARM

.github/workflows/dockerhub.yml

@@ -14,32 +14,32 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-      - name: Set output
-        id: vars
-        run: echo ::set-output name=tag::$(echo ${GITHUB_REF#refs/*/} | sed -e 's?/?-?g')
+        uses: docker/setup-qemu-action@v2
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: planqk/pytket-service
+          tags: |
+            # set latest tag for main branch
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
+            # set tag when a tag is pushed
+            type=ref,event=tag
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_HUB_USERNAME }}
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: Build and push latest pytket-service
-        if: ${{ steps.vars.outputs.tag == 'main' }}
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: true
-          tags: planqk/pytket-service:latest
-
-      - name: Build and push version of pytket-service
-        if: ${{ steps.vars.outputs.tag != 'main' }}
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v4
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
-          tags: planqk/pytket-service:${{ steps.vars.outputs.tag }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -2,10 +2,10 @@ FROM python:3.9-slim
 
 MAINTAINER Marie Salm "[email protected]"
 
-COPY ./requirements.txt /app/requirements.txt
 WORKDIR /app
 RUN apt-get update
 RUN apt-get install -y gcc python3-dev
+COPY ./requirements.txt /app/requirements.txt
 RUN pip install -r requirements.txt
 COPY . /app
 

app/tasks.py

@@ -83,7 +83,6 @@ def execute(impl_url, impl_data, transpiled_qasm, transpiled_quil, input_params,
                                              short_impl_name=short_impl_name,
                                              logger=None, precompile_circuit=True)
         finally:
-            # Take circuit out of tuple returned by transpile
             if not backend.valid_circuit(circuit):
                 result = Result.query.get(job.get_id())
                 result.result = json.dumps({'error': 'execution failed'})