Fix Docker build issues: add setuptools/wheel and use flexible version requirements

Dockerfile

@@ -1,7 +1,7 @@
 # Use Python 3.12 slim image
 FROM python:3.12-slim
 
-# Set working directory0.0.0", "--port", "8000"]
+# Set working directory
 
 WORKDIR /app
 
@@ -22,7 +22,7 @@ RUN apt-get update \
 COPY requirements.txt .
 
 # Install Python dependencies
-RUN pip install --no-cache-dir --upgrade pip \
+RUN pip install --no-cache-dir --upgrade pip setuptools wheel \
     && pip install --no-cache-dir -r requirements.txt
 
 # Copy application code

requirements.txt

@@ -1,23 +1,23 @@
-fastapi==0.104.1
-uvicorn[standard]==0.24.0
-python-dotenv==1.0.0
-pydantic==2.5.0
-sqlalchemy==2.0.23
-asyncpg==0.29.0
-alembic==1.13.0
-redis==5.0.1
-openai==1.3.7
-langchain==0.0.350
-langchain-groq==0.0.1
-langchain-community==0.4.1
-crewai==0.1.4
-crewai-tools==0.2.0
-python-jose[cryptography]==3.3.0
-passlib[bcrypt]==1.7.4
-python-multipart==0.0.6
-httpx==0.25.2
-pandas==2.1.4
-numpy==1.25.2
-pytest==7.4.3
-pytest-asyncio==0.21.1
-gtts==2.4.0
+fastapi>=0.104.0
+uvicorn[standard]>=0.24.0
+python-dotenv>=1.0.0
+pydantic>=2.5.0
+sqlalchemy>=2.0.0
+asyncpg>=0.29.0
+alembic>=1.13.0
+redis>=5.0.0
+openai>=1.3.0
+langchain>=0.0.350
+langchain-groq>=0.0.1
+langchain-community>=0.4.0
+crewai>=0.1.4
+crewai-tools>=0.2.0
+python-jose[cryptography]>=3.3.0
+passlib[bcrypt]>=1.7.4
+python-multipart>=0.0.6
+httpx>=0.25.0
+pandas>=2.1.0
+numpy>=1.25.0
+pytest>=7.4.0
+pytest-asyncio>=0.21.0
+gtts>=2.4.0