chat ws with pfp is working

backend/Dockerfile

@@ -2,11 +2,14 @@ FROM python:3.12-slim
 
 WORKDIR /app
 
+# Trust Windows/corporate root CAs before any network operations
+COPY certs/windows-ca-bundle.crt /usr/local/share/ca-certificates/windows-ca-bundle.crt
+RUN update-ca-certificates
+
 # Install system dependencies including Node.js for yt-dlp JavaScript runtime
-RUN apt update && apt install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     weasyprint \
     libcairo2 \
-    pango1.0-tools \
     libpango-1.0-0 \
     libgobject-2.0-0 \
     ffmpeg \
@@ -14,9 +17,9 @@ RUN apt update && apt install -y \
     curl \
     libmagic1 \
     && curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
-    && apt install -y nodejs \
+    && apt-get install -y --no-install-recommends nodejs \
     && update-ca-certificates \
-    && apt clean \
+    && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .