diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 644488ce7..47f0d93f3 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -10,11 +10,13 @@ WORKDIR /workspace
 RUN apt-get update && apt-get install -y \
     git \
     curl \
+    gcc \
+    python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Python dependencies
 COPY requirements.txt /workspace/
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -r /workspace/requirements.txt
 
 # Copy the rest of the repository into the container
 COPY . /workspace
diff --git a/tests/test_app.py b/tests/test_app.py
index a6db44cd0..68fa88c0f 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -325,4 +325,7 @@ def test_with_statistics_disabled(opal_server: list[OpalServerContainer]):
     assert False
 
 def test_with_uvicorn_workers_and_no_broadcast_channel(opal_server: list[OpalServerContainer]):
-    assert False
\ No newline at end of file
+    assert False
+
+def test_two_servers_one_worker(opal_server: list[OpalServerContainer]):
+    assert False