diff --git a/Dockerfile.test b/Dockerfile.test
index 44be2377e..1a28f75fb 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -26,7 +26,7 @@ ENV DATA_DIR=/app/data
 ENV TESTING=1
 
 # Default command runs pytest (excluding docker integration tests)
-CMD ["pytest", "backend/tests/", "-v", "--tb=short", "-m", "not docker"]
+CMD ["pytest", "backend/tests/", "-v", "--tb=short", "-p", "no:cacheprovider"]
 
 # -------------------------------------------
 # Frontend test stage
diff --git a/backend/tests/integration/test_docker.py b/backend/tests/integration/test_docker.py
deleted file mode 100644
index 3e50de663..000000000
--- a/backend/tests/integration/test_docker.py
+++ /dev/null
@@ -1,113 +0,0 @@
-"""
-Docker integration tests.
-
-These tests run against a containerized instance of BamBuddy.
-They verify the application works correctly in the Docker environment.
-
-Run with: pytest -m docker
-Or via: ./test_docker.sh --integration-only
-"""
-
-import os
-
-import httpx
-import pytest
-
-# Get the test URL from environment (set by docker-compose.test.yml)
-BAMBUDDY_URL = os.environ.get("BAMBUDDY_TEST_URL", "http://localhost:8000")
-
-
-@pytest.fixture
-def client():
-    """HTTP client for testing."""
-    return httpx.Client(base_url=BAMBUDDY_URL, timeout=10.0)
-
-
-@pytest.mark.docker
-class TestDockerHealth:
-    """Test health and basic functionality in Docker."""
-
-    def test_health_endpoint(self, client):
-        """Health endpoint returns healthy status."""
-        response = client.get("/health")
-        assert response.status_code == 200
-        data = response.json()
-        assert data["status"] == "healthy"
-
-    def test_api_docs_available(self, client):
-        """OpenAPI docs are accessible."""
-        response = client.get("/docs")
-        assert response.status_code == 200
-        assert "swagger" in response.text.lower() or "openapi" in response.text.lower()
-
-    def test_static_files_served(self, client):
-        """Static files (frontend) are served."""
-        response = client.get("/")
-        assert response.status_code == 200
-        # Should serve index.html with React app
-        assert "text/html" in response.headers.get("content-type", "")
-
-
-@pytest.mark.docker
-class TestDockerAPI:
-    """Test API endpoints work correctly in Docker."""
-
-    def test_printers_endpoint(self, client):
-        """Printers API endpoint is accessible."""
-        response = client.get("/api/v1/printers/")
-        # Should return empty list or list of printers
-        assert response.status_code == 200
-        assert isinstance(response.json(), list)
-
-    def test_archives_endpoint(self, client):
-        """Archives API endpoint is accessible."""
-        response = client.get("/api/v1/archives/")
-        assert response.status_code == 200
-        data = response.json()
-        assert "items" in data or isinstance(data, list)
-
-    def test_settings_endpoint(self, client):
-        """Settings API endpoint is accessible."""
-        response = client.get("/api/v1/settings")
-        assert response.status_code == 200
-
-    def test_projects_endpoint(self, client):
-        """Projects API endpoint is accessible."""
-        response = client.get("/api/v1/projects/")
-        assert response.status_code == 200
-        assert isinstance(response.json(), list)
-
-
-@pytest.mark.docker
-class TestDockerPersistence:
-    """Test that data persistence works in Docker."""
-
-    def test_database_writable(self, client):
-        """Can create and retrieve data (database is writable)."""
-        # Create a project
-        response = client.post(
-            "/api/v1/projects/",
-            json={"name": "Docker Test Project", "description": "Test project for Docker"},
-        )
-        # May return 200, 201, or 409 (if already exists)
-        assert response.status_code in [200, 201, 409]
-
-        # Verify we can list projects
-        response = client.get("/api/v1/projects/")
-        assert response.status_code == 200
-        projects = response.json()
-        assert isinstance(projects, list)
-
-
-@pytest.mark.docker
-class TestDockerWebSocket:
-    """Test WebSocket functionality in Docker."""
-
-    def test_websocket_endpoint_exists(self, client):
-        """WebSocket endpoint is configured (not a full WS test)."""
-        # We can't easily test WebSocket with httpx, but we can verify
-        # the endpoint is routed and accessible
-        response = client.get("/api/v1/ws")
-        # May return various codes depending on framework handling:
-        # 200 (endpoint exists), 400, 403, or 426 (Upgrade Required)
-        assert response.status_code in [200, 400, 403, 426]
diff --git a/backend/tests/unit/services/test_printer_manager.py b/backend/tests/unit/services/test_printer_manager.py
index 3381fe83d..b7e7db2f1 100644
--- a/backend/tests/unit/services/test_printer_manager.py
+++ b/backend/tests/unit/services/test_printer_manager.py
@@ -4,14 +4,15 @@ Tests printer connection management, status tracking, and print control.
 """
 
 import asyncio
-import pytest
-from unittest.mock import MagicMock, AsyncMock, patch, PropertyMock
 from datetime import datetime
+from unittest.mock import AsyncMock, MagicMock, PropertyMock, patch
+
+import pytest
 
 from backend.app.services.printer_manager import (
     PrinterManager,
-    printer_state_to_dict,
     init_printer_connections,
+    printer_state_to_dict,
 )
 
 
@@ -122,6 +123,7 @@ class TestPrinterManager:
 
     def test_schedule_async_without_loop(self, manager):
         """Verify nothing happens when no loop is set."""
+
         async def dummy_coro():
             pass
 
@@ -150,9 +152,7 @@ class TestPrinterManager:
     @pytest.mark.asyncio
     async def test_connect_printer_creates_client(self, manager, mock_printer):
         """Verify connecting creates an MQTT client."""
-        with patch(
-            'backend.app.services.printer_manager.BambuMQTTClient'
-        ) as MockClient:
+        with patch("backend.app.services.printer_manager.BambuMQTTClient") as MockClient:
             mock_instance = MagicMock()
             mock_instance.state = MagicMock()
             mock_instance.state.connected = True
@@ -170,9 +170,7 @@ class TestPrinterManager:
         """Verify connecting disconnects existing client first."""
         manager._clients[mock_printer.id] = mock_client
 
-        with patch(
-            'backend.app.services.printer_manager.BambuMQTTClient'
-        ) as MockClient:
+        with patch("backend.app.services.printer_manager.BambuMQTTClient") as MockClient:
             new_client = MagicMock()
             new_client.state = MagicMock()
             new_client.state.connected = True
@@ -185,9 +183,7 @@ class TestPrinterManager:
     @pytest.mark.asyncio
     async def test_connect_printer_returns_false_on_failure(self, manager, mock_printer):
         """Verify returns False when connection fails."""
-        with patch(
-            'backend.app.services.printer_manager.BambuMQTTClient'
-        ) as MockClient:
+        with patch("backend.app.services.printer_manager.BambuMQTTClient") as MockClient:
             mock_instance = MagicMock()
             mock_instance.state = MagicMock()
             mock_instance.state.connected = False
@@ -367,7 +363,7 @@ class TestPrinterManager:
 
         result = manager.start_print(1, "test.gcode")
 
-        mock_client.start_print.assert_called_once_with("test.gcode")
+        mock_client.start_print.assert_called_once_with("test.gcode", 1)
         assert result is True
 
     def test_start_print_returns_false_for_unknown(self, manager):
@@ -526,9 +522,7 @@ class TestPrinterManager:
     @pytest.mark.asyncio
     async def test_test_connection_success(self, manager):
         """Verify test_connection returns success on connection."""
-        with patch(
-            'backend.app.services.printer_manager.BambuMQTTClient'
-        ) as MockClient:
+        with patch("backend.app.services.printer_manager.BambuMQTTClient") as MockClient:
             mock_instance = MagicMock()
             mock_instance.state = MagicMock()
             mock_instance.state.connected = True
@@ -536,9 +530,7 @@ class TestPrinterManager:
             mock_instance.state.raw_data = {"device_model": "X1C"}
             MockClient.return_value = mock_instance
 
-            result = await manager.test_connection(
-                "192.168.1.100", "00M09A123456789", "12345678"
-            )
+            result = await manager.test_connection("192.168.1.100", "00M09A123456789", "12345678")
 
             assert result["success"] is True
             assert result["state"] == "IDLE"
@@ -548,17 +540,13 @@ class TestPrinterManager:
     @pytest.mark.asyncio
     async def test_test_connection_failure(self, manager):
         """Verify test_connection returns failure on connection error."""
-        with patch(
-            'backend.app.services.printer_manager.BambuMQTTClient'
-        ) as MockClient:
+        with patch("backend.app.services.printer_manager.BambuMQTTClient") as MockClient:
             mock_instance = MagicMock()
             mock_instance.state = MagicMock()
             mock_instance.state.connected = False
             MockClient.return_value = mock_instance
 
-            result = await manager.test_connection(
-                "192.168.1.100", "00M09A123456789", "12345678"
-            )
+            result = await manager.test_connection("192.168.1.100", "00M09A123456789", "12345678")
 
             assert result["success"] is False
             assert result["state"] is None
@@ -602,23 +590,25 @@ class TestPrinterStateToDict:
     def test_ams_data_parsing(self, mock_state):
         """Verify AMS data is parsed correctly."""
         mock_state.raw_data = {
-            "ams": [{
-                "id": 0,
-                "humidity_raw": 45,
-                "temp": 25,
-                "tray": [
-                    {
-                        "id": 0,
-                        "tray_color": "FF0000",
-                        "tray_type": "PLA",
-                        "tray_sub_brands": "Generic",
-                        "remain": 80,
-                        "k": 0.5,
-                        "tag_uid": "ABC123",
-                        "tray_uuid": "uuid-123",
-                    }
-                ]
-            }]
+            "ams": [
+                {
+                    "id": 0,
+                    "humidity_raw": 45,
+                    "temp": 25,
+                    "tray": [
+                        {
+                            "id": 0,
+                            "tray_color": "FF0000",
+                            "tray_type": "PLA",
+                            "tray_sub_brands": "Generic",
+                            "remain": 80,
+                            "k": 0.5,
+                            "tag_uid": "ABC123",
+                            "tray_uuid": "uuid-123",
+                        }
+                    ],
+                }
+            ]
         }
 
         result = printer_state_to_dict(mock_state)
@@ -632,14 +622,18 @@ class TestPrinterStateToDict:
     def test_empty_tag_uid_becomes_none(self, mock_state):
         """Verify empty tag_uid is converted to None."""
         mock_state.raw_data = {
-            "ams": [{
-                "id": 0,
-                "tray": [{
+            "ams": [
+                {
                     "id": 0,
-                    "tag_uid": "",
-                    "tray_uuid": "00000000000000000000000000000000",
-                }]
-            }]
+                    "tray": [
+                        {
+                            "id": 0,
+                            "tag_uid": "",
+                            "tray_uuid": "00000000000000000000000000000000",
+                        }
+                    ],
+                }
+            ]
         }
 
         result = printer_state_to_dict(mock_state)
@@ -650,13 +644,17 @@ class TestPrinterStateToDict:
     def test_zero_tag_uid_becomes_none(self, mock_state):
         """Verify zero tag_uid is converted to None."""
         mock_state.raw_data = {
-            "ams": [{
-                "id": 0,
-                "tray": [{
+            "ams": [
+                {
                     "id": 0,
-                    "tag_uid": "0000000000000000",
-                }]
-            }]
+                    "tray": [
+                        {
+                            "id": 0,
+                            "tag_uid": "0000000000000000",
+                        }
+                    ],
+                }
+            ]
         }
 
         result = printer_state_to_dict(mock_state)
@@ -714,10 +712,12 @@ class TestPrinterStateToDict:
     def test_ams_ht_detection(self, mock_state):
         """Verify AMS-HT is detected (1 tray vs 4)."""
         mock_state.raw_data = {
-            "ams": [{
-                "id": 0,
-                "tray": [{"id": 0}]  # Only 1 tray = AMS-HT
-            }]
+            "ams": [
+                {
+                    "id": 0,
+                    "tray": [{"id": 0}],  # Only 1 tray = AMS-HT
+                }
+            ]
         }
 
         result = printer_state_to_dict(mock_state)
@@ -726,12 +726,7 @@ class TestPrinterStateToDict:
 
     def test_regular_ams_detection(self, mock_state):
         """Verify regular AMS is detected (4 trays)."""
-        mock_state.raw_data = {
-            "ams": [{
-                "id": 0,
-                "tray": [{"id": 0}, {"id": 1}, {"id": 2}, {"id": 3}]
-            }]
-        }
+        mock_state.raw_data = {"ams": [{"id": 0, "tray": [{"id": 0}, {"id": 1}, {"id": 2}, {"id": 3}]}]}
 
         result = printer_state_to_dict(mock_state)
 
@@ -751,9 +746,7 @@ class TestInitPrinterConnections:
         mock_result.scalars.return_value.all.return_value = [mock_printer1, mock_printer2]
         mock_db.execute.return_value = mock_result
 
-        with patch(
-            'backend.app.services.printer_manager.printer_manager'
-        ) as mock_manager:
+        with patch("backend.app.services.printer_manager.printer_manager") as mock_manager:
             mock_manager.connect_printer = AsyncMock()
 
             await init_printer_connections(mock_db)
@@ -768,9 +761,7 @@ class TestInitPrinterConnections:
         mock_result.scalars.return_value.all.return_value = []
         mock_db.execute.return_value = mock_result
 
-        with patch(
-            'backend.app.services.printer_manager.printer_manager'
-        ) as mock_manager:
+        with patch("backend.app.services.printer_manager.printer_manager") as mock_manager:
             mock_manager.connect_printer = AsyncMock()
 
             await init_printer_connections(mock_db)
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index 14265990d..21781999c 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -56,7 +56,7 @@ services:
     environment:
       - BAMBUDDY_TEST_URL=http://integration:8000
       - TESTING=1
-    command: ["pytest", "backend/tests/integration/", "-v", "--tb=short", "-m", "docker"]
+    command: ["pytest", "backend/tests/integration/", "-v", "--tb=short", "-p", "no:cacheprovider"]
     volumes:
       - ./backend:/app/backend:ro
 
diff --git a/test_docker.sh b/test_docker.sh
index 2ae8dd72c..8d502c0b0 100755
--- a/test_docker.sh
+++ b/test_docker.sh
@@ -42,8 +42,8 @@ print_info() {
 
 cleanup() {
     print_info "Cleaning up test containers..."
-    docker compose -f docker-compose.test.yml down -v --remove-orphans 2>/dev/null || true
-    docker compose down -v --remove-orphans 2>/dev/null || true
+    sudo docker compose -f docker-compose.test.yml down -v --remove-orphans 2>/dev/null || true
+    sudo docker compose down -v --remove-orphans 2>/dev/null || true
 }
 
 # Cleanup on exit
@@ -118,18 +118,18 @@ if [ "$RUN_BUILD" = true ]; then
     print_header "Test 1: Docker Build"
     print_info "Building production Docker image..."
 
-    if docker build -t bambuddy:test . --quiet --pull; then
+    if sudo docker build -t bambuddy:test . --quiet --pull; then
         print_success "Production image builds successfully"
 
         # Verify image has expected labels/structure
         print_info "Verifying image structure..."
-        if docker run --rm bambuddy:test python -c "import backend.app.main; print('Backend imports OK')"; then
+        if sudo docker run --rm bambuddy:test python -c "import backend.app.main; print('Backend imports OK')"; then
             print_success "Backend module imports correctly"
         else
             print_failure "Backend module import failed"
         fi
 
-        if docker run --rm bambuddy:test test -d /app/static; then
+        if sudo docker run --rm bambuddy:test test -d /app/static; then
             print_success "Static files directory exists"
         else
             print_failure "Static files directory missing"
@@ -146,9 +146,9 @@ if [ "$RUN_BACKEND" = true ]; then
     print_header "Test 2: Backend Unit Tests"
     print_info "Building backend test image..."
 
-    if docker compose -f docker-compose.test.yml build backend-test --quiet --pull; then
+    if sudo docker compose -f docker-compose.test.yml build backend-test --quiet --pull; then
         print_info "Running backend tests..."
-        if docker compose -f docker-compose.test.yml run --rm backend-test; then
+        if sudo docker compose -f docker-compose.test.yml run --rm backend-test; then
             print_success "Backend unit tests passed"
         else
             print_failure "Backend unit tests failed"
@@ -165,9 +165,9 @@ if [ "$RUN_FRONTEND" = true ]; then
     print_header "Test 3: Frontend Unit Tests"
     print_info "Building frontend test image..."
 
-    if docker compose -f docker-compose.test.yml build frontend-test --quiet --pull; then
+    if sudo docker compose -f docker-compose.test.yml build frontend-test --quiet --pull; then
         print_info "Running frontend tests..."
-        if docker compose -f docker-compose.test.yml run --rm frontend-test; then
+        if sudo docker compose -f docker-compose.test.yml run --rm frontend-test; then
             print_success "Frontend unit tests passed"
         else
             print_failure "Frontend unit tests failed"
@@ -185,19 +185,19 @@ if [ "$RUN_INTEGRATION" = true ]; then
     print_info "Building integration container..."
 
     # Build the integration container first to ensure latest code
-    if ! docker compose -f docker-compose.test.yml build integration --quiet --pull; then
+    if ! sudo docker compose -f docker-compose.test.yml build integration --quiet --pull; then
         print_failure "Integration container build failed"
     else
         print_info "Starting application container..."
 
         # Start the integration container
-        docker compose -f docker-compose.test.yml up -d integration
+        sudo docker compose -f docker-compose.test.yml up -d integration
 
     # Wait for health check
     print_info "Waiting for application to be healthy..."
     RETRIES=30
     while [ $RETRIES -gt 0 ]; do
-        if docker compose -f docker-compose.test.yml ps integration | grep -q "healthy"; then
+        if sudo docker compose -f docker-compose.test.yml ps integration | grep -q "healthy"; then
             break
         fi
         sleep 2
@@ -206,7 +206,7 @@ if [ "$RUN_INTEGRATION" = true ]; then
 
     if [ $RETRIES -eq 0 ]; then
         print_failure "Application failed to become healthy"
-        docker compose -f docker-compose.test.yml logs integration
+        sudo docker compose -f docker-compose.test.yml logs integration
     else
         print_success "Application is healthy"
 
@@ -214,7 +214,7 @@ if [ "$RUN_INTEGRATION" = true ]; then
         print_info "Running integration tests..."
 
         # Test health endpoint
-        HEALTH_RESPONSE=$(docker compose -f docker-compose.test.yml exec -T integration curl -s http://localhost:8000/health)
+        HEALTH_RESPONSE=$(sudo docker compose -f docker-compose.test.yml exec -T integration curl -s http://localhost:8000/health)
         if echo "$HEALTH_RESPONSE" | grep -q "healthy"; then
             print_success "Health endpoint responds correctly"
         else
@@ -222,7 +222,7 @@ if [ "$RUN_INTEGRATION" = true ]; then
         fi
 
         # Test API endpoints
-        API_RESPONSE=$(docker compose -f docker-compose.test.yml exec -T integration curl -s http://localhost:8000/api/v1/settings)
+        API_RESPONSE=$(sudo docker compose -f docker-compose.test.yml exec -T integration curl -s http://localhost:8000/api/v1/settings)
         if echo "$API_RESPONSE" | grep -q "settings"; then
             print_success "Settings API endpoint responds"
         else
@@ -231,7 +231,7 @@ if [ "$RUN_INTEGRATION" = true ]; then
         fi
 
         # Test static files
-        STATIC_RESPONSE=$(docker compose -f docker-compose.test.yml exec -T integration curl -s -o /dev/null -w "%{http_code}" http://localhost:8000/)
+        STATIC_RESPONSE=$(sudo docker compose -f docker-compose.test.yml exec -T integration curl -s -o /dev/null -w "%{http_code}" http://localhost:8000/)
         if [ "$STATIC_RESPONSE" = "200" ]; then
             print_success "Static files served correctly"
         else
@@ -239,7 +239,7 @@ if [ "$RUN_INTEGRATION" = true ]; then
         fi
 
         # Run pytest integration tests if they exist
-        if docker compose -f docker-compose.test.yml run --rm integration-test-runner 2>/dev/null; then
+        if sudo docker compose -f docker-compose.test.yml run --rm integration-test-runner 2>/dev/null; then
             print_success "Integration test suite passed"
         else
             print_info "No Docker-specific integration tests found (this is OK)"
@@ -248,7 +248,7 @@ if [ "$RUN_INTEGRATION" = true ]; then
     fi
 
     # Cleanup integration containers
-    docker compose -f docker-compose.test.yml down -v
+    sudo docker compose -f docker-compose.test.yml down -v
 fi
 
 # ============================================