Update Dockerfile

Dockerfile

@@ -5,7 +5,7 @@ ENV PYTHONUNBUFFERED=1
 # Prevents interactive prompts during apt-get install
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Install system dependencies including ffmpeg and fonts
+# Install base system dependencies including debconf-utils
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         ffmpeg \
@@ -14,11 +14,10 @@ RUN apt-get update && \
         fontconfig \
         debconf-utils
 
-# Pre-accept Microsoft Core Fonts EULA
-RUN echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | debconf-set-sections
-
-# Install Microsoft Core Fonts
-RUN apt-get install -y --no-install-recommends ttf-mscorefonts-installer
+# Pre-accept EULA and install Microsoft Core Fonts
+# Using full path for debconf-set-sections for robustness
+RUN echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | /usr/bin/debconf-set-sections && \
+    apt-get install -y --no-install-recommends ttf-mscorefonts-installer
 
 # Update font cache and clean up
 RUN fc-cache -f -v && \