Update Dockerfile

Dockerfile

@@ -27,8 +27,8 @@ RUN chmod +x /web-ui/.venv/bin/python
 
 # Install dependencies and chromium
 RUN /web-ui/.venv/bin/python -m ensurepip --upgrade && \
-    /web-ui/.venv/bin/pip install --upgrade pip uv playwright && \
-    /web-ui/.venv/bin/pip install -r requirements.txt && \
+    /web-ui/.venv/bin/pip3 install --upgrade pip uv playwright && \
+    /web-ui/.venv/bin/pip3 install -r requirements.txt && \
     /web-ui/.venv/bin/playwright install --with-deps chromium
 
 # Fix permissions (recursive + follow symlinks)