Fix cache directory permissions: use /tmp instead of /app/cache

Dockerfile

@@ -29,11 +29,11 @@ COPY . .
 # Make startup script executable
 RUN chmod +x start.sh
 
-# Create cache directory for models with proper permissions
-RUN mkdir -p /app/cache && chmod 777 /app/cache
+# Create cache directories with proper permissions
+RUN mkdir -p /tmp/hf_cache /tmp/numba_cache && chmod 777 /tmp/hf_cache /tmp/numba_cache
 
 # Set environment variables
-ENV HF_HOME=/app/cache
+ENV HF_HOME=/tmp/hf_cache
 ENV PYTHONPATH=/app
 ENV NUMBA_CACHE_DIR=/tmp/numba_cache
 ENV NUMBA_DISABLE_JIT=1

start.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+# Don't exit on errors - we'll handle them gracefully
 
 echo "🚀 Starting Carsa AI Backend..."
 echo "📁 Working directory: $(pwd)"
@@ -30,12 +30,11 @@ except ImportError as e:
 "
 
 # Create cache directories with proper permissions
-mkdir -p /app/cache /tmp/numba_cache
-chmod 777 /app/cache /tmp/numba_cache
-echo "📁 Cache directories created with proper permissions"
+mkdir -p /tmp/hf_cache /tmp/numba_cache
+echo "📁 Cache directories ready: /tmp/hf_cache, /tmp/numba_cache"
 
 # Set environment variables
-export HF_HOME=/app/cache
+export HF_HOME=/tmp/hf_cache
 export PYTHONPATH=/app
 export NUMBA_CACHE_DIR=/tmp/numba_cache
 export NUMBA_DISABLE_JIT=1