Fix: Optimize dependencies to prevent Docker build timeout

Dockerfile

@@ -15,6 +15,9 @@ RUN apt-get update && apt-get install -y \
 # Copy the requirements file into the container at /app
 COPY requirements.txt .
 
+# Upgrade pip to ensure latest resolver
+RUN pip install --upgrade pip
+
 # Install any needed packages specified in requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 

requirements.txt

@@ -1,13 +1,13 @@
 streamlit
 requests
 python-dotenv
-langchain
-langchain-community
+langchain>=0.3.0
+langchain-community>=0.3.0
 langchain-google-genai==2.0.0
 lancedb
 lark
 langchain-huggingface
-llama-index
+llama-index>=0.12.0
 llama-index-vector-stores-lancedb
 llama-index-embeddings-huggingface
 llama-index-llms-gemini
@@ -16,4 +16,7 @@ streamlit-agraph
 folium
 streamlit-folium
 rank_bm25
-llama-index-retrievers-bm25
+llama-index-retrievers-bm25
+# Explicit pins to prevent backtracking
+rdflib>=7.0.0
+PyYAML>=6.0