Revert "Add --fix-missing flag to handle Debian mirror issues"

This reverts commit 1a47ba9369.

Dockerfile

@@ -4,11 +4,7 @@ WORKDIR /app
 
 # Install system dependencies
 # Use --no-install-recommends and handle both amd64 and arm64 architectures
-# Add --fix-missing to handle transient mirror issues
-RUN apt-get clean && \
-    rm -rf /var/lib/apt/lists/* && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends --fix-missing \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     gcc \
     postgresql-client \
     libpq-dev \