fix: added haystack-ai-integrations in requirements

Dockerfile

@@ -1,21 +1,25 @@
-FROM python:3.11-slim
+FROM python:3.11
 
 # Install system dependencies
 RUN apt-get update && \
-    apt-get install -y tesseract-ocr libtesseract-dev poppler-utils && \
+    apt-get install -y \
+    tesseract-ocr libtesseract-dev poppler-utils \
+    build-essential pkg-config libgl1 && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
+# Install PyTorch CPU first
 RUN pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu
-# Install Python dependencies first (for layer caching)
+
+# Install project dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy application code
+# Copy app code
 COPY . .
 
-ENV PORT=8000
 ENV PYTHONUNBUFFERED=1
 
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+# Render gives $PORT env, don’t hardcode
+CMD ["sh", "-c", "uvicorn main:app --host 0.0.0.0 --port ${PORT}"]

render.yaml

@@ -2,10 +2,7 @@ services:
   - type: web
     name: rag-api
     runtime: docker
-    env: python
-    buildCommand: docker build -t rag-api .
-    startCommand: uvicorn main:app --host 0.0.0.0 --port 8000
+    plan: free
     envVars:
       - key: GOOGLE_API_KEY
-        valueFromEnv: GOOGLE_API_KEY
-    plan: free
+        sync: false

requirements.txt

@@ -1,15 +1,22 @@
-sentence-transformers
-pdfplumber
-pytesseract
-pillow
-python-multipart
-fastapi
-uvicorn
-google-generativeai
-haystack-ai
-haystack-integrations
+# Core
+fastapi==0.111.0
+uvicorn==0.30.1
+python-multipart==0.0.9
+pillow==10.3.0
+pdfplumber==0.11.0
+pytesseract==0.3.10
+sentence-transformers==3.0.1
+
+# Google Generative AI
+google-generativeai==0.7.2
+
+# Haystack v2 core + integrations
+haystack-ai==2.1.0
+haystack-ai-integrations==0.2.1
+
+# gRPC (needed by Google / Haystack)
 grpcio==1.74.0
 grpcio-tools==1.74.0
 grpcio-status==1.74.0
 protobuf==5.26.1
-rpds.py==0.27.0
+rpds-py==0.27.0