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.github/workflows/docker.yml

@@ -50,43 +50,16 @@ on:
         required: true
 
 jobs:
-  start_runner:
-    name: Start self-hosted EC2 runner
-    if: ${{ github.repository == 'FEniCS/dolfinx' }}
-    runs-on: ubuntu-latest
-    outputs:
-      label: ${{ steps.start-ec2-runner.outputs.label }}
-      ec2-instance-id: ${{ steps.start-ec2-runner.outputs.ec2-instance-id }}
-    steps:
-      - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v1
-        with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: ${{ secrets.AWS_REGION }}
-
-      - name: Start EC2 runner
-        id: start-ec2-runner
-        uses: machulav/ec2-github-runner@v2
-        with:
-          mode: start
-          github-token: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}
-          ec2-image-id: ami-07529ef40e2c81086
-          ec2-instance-type: c6g.large
-          subnet-id: subnet-dc2151b7
-          security-group-id: sg-03fc69ee7a6ba8bc4
-
   create_build_images:
     name: Create build environment images
     if: ${{ github.repository == 'FEniCS/dolfinx' }}
     strategy:
       matrix:
         variant: ["test-env", "dev-env"]
         mpi: ["openmpi", "mpich"]
-        os: ["ubuntu-latest", "ARM64"]
+        os: ["ubuntu-latest", "buildjet-2vcpu-ubuntu-2204-arm"]
 
     runs-on: ${{ matrix.os }}
-    needs: start_runner
     steps:
       - name: Set git ref
         run: |
@@ -116,7 +89,7 @@ jobs:
         run: echo "ARCH_TAG=amd64" >> $GITHUB_ENV
 
       - name: Set architecture tag (arm64)
-        if: ${{ matrix.os == 'ARM64' }}
+        if: ${{ contains(matrix.os, 'arm') }}
         run: echo "ARCH_TAG=arm64" >> $GITHUB_ENV
 
       - name: Create image name and tag
@@ -165,7 +138,6 @@ jobs:
     if: ${{ github.repository == 'FEniCS/dolfinx' }}
     runs-on: ubuntu-latest
     needs:
-      - start_runner
       - create_build_images
 
     steps:
@@ -231,10 +203,9 @@ jobs:
           - arch_tag: amd64
             os: ubuntu-latest
           - arch_tag: arm64
-            os: ARM64
+            os: buildjet-4vcpu-ubuntu-2204-arm
     runs-on: ${{ matrix.os }}
     needs:
-      - start_runner
       - create_multiarch_build_images
     steps:
       - name: Create tag without image name
@@ -411,26 +382,3 @@ jobs:
             --tag ${GH_PREFIX}/lab:${{ env.TAG }} \
             ${DH_PREFIX}/lab:${{ env.TAG }}-amd64 \
             ${DH_PREFIX}/lab:${{ env.TAG }}-arm64
-
-  stop-runner:
-    name: Stop self-hosted EC2 runner
-    # Stop the runner even if an error happened in the previous jobs
-    if: ${{ always() && github.repository == 'FEniCS/dolfinx' }}
-    needs:
-      - start_runner  # required to get output from the start-runner job
-      - create_multiarch_end_user_images  # required to wait when the main job is done
-    runs-on: ubuntu-latest
-    steps:
-      - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v1-node16
-        with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: ${{ secrets.AWS_REGION }}
-      - name: Stop EC2 runner
-        uses: machulav/ec2-github-runner@v2
-        with:
-          mode: stop
-          github-token: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}
-          label: ${{ needs.start_runner.outputs.label }}
-          ec2-instance-id: ${{ needs.start_runner.outputs.ec2-instance-id }}