Update Dockerfile

Dockerfile

@@ -1,41 +1,50 @@
-FROM python:3.11-slim
-
-WORKDIR /app
-
-ENV PYTHONDONTWRITEBYTECODE=1
-ENV PYTHONUNBUFFERED=1
-
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
-
-# Copy requirements and install
-COPY requirements.txt .
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
-
-# Pre-download embedding models
-RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"
-RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-mpnet-base-v2')"
-
-# Copy application code
-COPY . .
-
-# Create necessary directories with proper permissions
-RUN mkdir -p /app/data /app/logs /app/chroma_persist /app/uploads /app/tmp /app/config /app/chroma_db && \
-    chmod -R 755 /app/data /app/logs /app/chroma_persist /app/uploads /app/tmp /app/config /app/chroma_db
-
-# Create tmp directory in standard location as well
-RUN mkdir -p /tmp/researchmate && chmod 755 /tmp/researchmate
-
-# Spaces uses port 7860
-EXPOSE 7860
-
-# Health check
-HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
-  CMD curl -f http://localhost:7860/health || exit 1
-
-# Start the application
+FROM python:3.11-slim
+
+WORKDIR /app
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Pre-download embedding models
+RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"
+RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-mpnet-base-v2')"
+
+# Copy application code
+COPY . .
+
+# Create necessary directories with proper write permissions
+RUN mkdir -p /app/data /app/logs /app/chroma_persist /app/uploads /app/tmp /app/config /app/chroma_db && \
+    chmod -R 755 /app/data /app/logs /app/chroma_persist /app/uploads /app/tmp /app/config /app/chroma_db
+
+# Create tmp directory in standard location
+RUN mkdir -p /tmp/researchmate && chmod 777 /tmp/researchmate
+
+# Set matplotlib config directory to writable location
+ENV MPLCONFIGDIR=/tmp/matplotlib
+
+# Create matplotlib config directory
+RUN mkdir -p /tmp/matplotlib && chmod 777 /tmp/matplotlib
+
+# Ensure the app directory has proper permissions
+RUN chmod -R 755 /app
+
+# Spaces uses port 7860
+EXPOSE 7860
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+  CMD curl -f http://localhost:7860/health || exit 1
+
+# Start the application
 CMD ["python", "main.py"]