fix the issue

.dockerignore

@@ -42,8 +42,8 @@ Thumbs.db
 *.log
 logs/
 
-# Database files (optional - include if you want example data)
-# data/*.db
+# Database files (avoid copying local dev databases into images)
+data/*.db
 
 # Temporary files
 *.tmp

Dockerfile

@@ -1,9 +1,12 @@
+#!/bin/sh
+
+# syntax=docker/dockerfile:1.4
 FROM python:3.10-slim
 
 WORKDIR /app
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
+# Install system dependencies (kept minimal for faster builds)
+RUN apt-get update && apt-get install -y --no-install-recommends \
     gcc \
     g++ \
     postgresql-client \
@@ -12,7 +15,8 @@ RUN apt-get update && apt-get install -y \
 
 # Copy requirements and install Python dependencies
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --no-cache-dir -r requirements.txt
 
 # Copy application code
 COPY . .

backend/api/services/agent_orchestrator.py

@@ -1382,6 +1382,12 @@ Answer:"""
 
         snippet_text = "\n\n".join(snippets) if snippets else ""
         scores_text = "\n".join(scores_info) if scores_info else ""
+
+        # Build optional relevance scores section separately to avoid complex f-string expressions
+        if scores_text:
+            relevance_section = "## Relevance Scores\n" + scores_text + "\n\n"
+        else:
+            relevance_section = ""
         
         if not snippet_text:
             prompt = (
@@ -1425,7 +1431,7 @@ Answer:"""
                 f"<knowledge_base_documents>\n"
                 f"The following documents were retrieved from the tenant's knowledge base as relevant to the user's question:\n\n"
                 f"{snippet_text}\n\n"
-                f"{'## Relevance Scores\n' + scores_text + '\n\n' if scores_text else ''}"
+                f"{relevance_section}"
                 f"</knowledge_base_documents>\n\n"
                 f"<user_question>\n"
                 f"{req.message}\n"