diff --git a/Dockerfile b/Dockerfile
index b026555..dd27fea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,17 +17,19 @@ RUN uv sync --frozen --no-install-project --no-dev
 # ---- Dev stage: hot-reload for local development ----
 FROM base AS dev
 
-# Also install dev dependencies
+# Also install dev dependencies. The project source is bind-mounted at runtime.
 RUN uv sync --frozen --no-install-project
 
 # Source is bind-mounted at runtime via docker-compose
 ENV OIDC_OP_ISSUER=http://localhost:8000 \
     OIDC_OP_DEBUG=true \
-    OIDC_OP_SESSION_HTTPS_ONLY=false
+    OIDC_OP_SESSION_HTTPS_ONLY=false \
+    PATH="/app/.venv/bin:$PATH" \
+    PYTHONPATH=/app/src
 
 EXPOSE 8000
 
-CMD ["uv", "run", "uvicorn", "porchlight.app:create_app", \
+CMD ["uvicorn", "porchlight.app:create_app", \
      "--factory", "--host", "0.0.0.0", "--port", "8000", \
      "--reload", "--reload-dir", "/app/src"]