WIP: test dev container

.github/workflows/main.yml

@@ -41,8 +41,35 @@ jobs:
             name: research-template-image
             path: /tmp/research-template.tar.gz
 
-  publish:
+  test-devcontainer-with-research-template:
     needs: [build-and-test]
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout research template default branch
+      uses: actions/checkout@v4
+      with:
+        repository: opensafely/research-template
+
+    - name: Download Docker image
+      uses: actions/download-artifact@v4
+      with:
+        name: research-template-image
+        path: /tmp/image
+
+    - name: Import Docker image
+      run: docker load --input /tmp/image/research-template.tar.gz
+
+    - name: Tag Docker image for use with dev container
+      run: docker tag $IMAGE_NAME $PUBLIC_IMAGE_NAME:latest
+
+    - name: Build and run dev container task
+      uses: devcontainers/[email protected]
+      with:
+        runCmd: opensafely run run_all
+
+  publish:
+    needs: [build-and-test, test-devcontainer]
 
     runs-on: ubuntu-22.04