fix: make histogram calculation and rendering less blocking (#218)

.github/workflows/docker-ci.yml

@@ -20,7 +20,11 @@ jobs:
       run: sed -i '/COPY .env/d' Dockerfile
 
     - name: Build Docker image
-      run: docker build -t docetl .
+      run: |
+        if ! docker build -t docetl .; then
+          echo "Docker build failed"
+          exit 1
+        fi
       
     - name: Create Docker volume
       run: docker volume create docetl-data
@@ -38,18 +42,37 @@ jobs:
           -e BACKEND_PORT=8000 \
           --name docetl-test \
           docetl
-          
-        # Wait for container to start up
-        sleep 240
+
+        # Wait for initial startup
+        echo "Waiting for container to start..."
+        sleep 30
+
+        # Check container health for up to 3 minutes
+        for i in {1..6}; do
+          if ! docker ps -q -f name=docetl-test > /dev/null 2>&1; then
+            echo "Container stopped unexpectedly"
+            docker logs docetl-test
+            exit 1
+          fi
+
+          # Try to curl the frontend
+          if curl -s -f http://localhost:3000 > /dev/null; then
+            echo "Frontend is responding"
+            break
+          fi
+
+          if [ $i -eq 6 ]; then
+            echo "Container health check failed after 3 minutes"
+            docker logs docetl-test
+            exit 1
+          fi
+
+          echo "Waiting for services to be ready... (attempt $i/6)"
+          sleep 30
+        done
         
-        # Check if container is still running
-        if [ "$(docker ps -q -f name=docetl-test)" ]; then
-          echo "Container is running successfully"
-        else
-          echo "Container failed to stay running"
-          docker logs docetl-test
-          exit 1
-        fi
+        # If we get here, container is running and healthy
+        echo "Container is running successfully"
         
         # Cleanup
         docker stop docetl-test