updated render.com, requirements

render.yaml

@@ -2,12 +2,19 @@ services:
   - type: web
     name: flowchart-app
     env: python
+    plan: free
+
     buildCommand: |
       apt-get update && apt-get install -y tesseract-ocr
+      pip install --upgrade pip
       pip install -r requirements.txt
-    startCommand: streamlit run streamlit_app.py --server.port=10000 --server.address=0.0.0.0
-    plan: free
+
+    startCommand: streamlit run streamlit_app.py --server.port=$PORT --server.address=0.0.0.0
+
     envVars:
       - key: PORT
-        value: 10000
-    pythonVersion: 3.10
+        value: 10000  # Render sets this automatically, safe fallback
+      - key: PYTHON_VERSION
+        value: "3.10"
+
+    autoDeploy: true

requirements.txt

@@ -4,31 +4,29 @@
 
 # 🌐 Web App Frameworks
 streamlit                 # UI interface for uploading images and viewing output
-fastapi                   # Backend API to process images
-uvicorn[standard]         # ASGI server to serve the FastAPI app
+fastapi                   # Backend API for image parsing
+uvicorn[standard]         # ASGI server to serve FastAPI app
 
 # 🔁 Communication and File Upload
-requests                  # Used by Streamlit to call FastAPI
-python-multipart          # Enables file upload handling in FastAPI
+requests                  # For Streamlit-to-FastAPI HTTP calls
+python-multipart          # Enables file uploads in FastAPI
 
 # 🖼 Image Processing
-pillow                    # Image opening and manipulation (PIL)
-opencv-python-headless    # OpenCV for preprocessing (headless = no GUI required)
-numpy                     # Matrix operations for image handling
+pillow                    # PIL image handling
+opencv-python-headless    # OpenCV without GUI dependencies
+numpy                     # Core image array operations
 
-# 🔍 OCR Engine & Text Cleanup
-easyocr                   # EasyOCR engine with GPU support
-textblob                  # Used to clean and correct OCR output
+# 🔍 OCR & Text Processing
+easyocr                   # GPU-capable OCR engine
+textblob                 # Optional: lightweight text post-processing (optional)
 
-# 🤖 LLMs and Transformers
-transformers              # Hugging Face Transformers for text summarization
-torch                     # Required by both EasyOCR and Transformers
+# 🤖 Object Detection and Language Models
+ultralytics               # YOLOv8/v9 detection (loads .pt models)
+torch                     # Backend for YOLO and EasyOCR
+transformers              # Optional: used for text summarization (LLMs)
 
-# 🧠 Custom Object Detection
-ultralytics               # YOLOv8/YOLOv9 support (native .pt model inference)
+# 📐 Geometry Utilities
+shapely                   # Geometry operations for arrow-head box logic
 
-# 🧮 Flowchart Parsing
-shapely                   # Geometric reasoning for arrows and box mapping
-
-# Optional (for visual debugging, if needed):
-# matplotlib              # Optional for visual debugging or plotting
+# ✅ Optional Debug Tools (Uncomment if needed)
+# matplotlib              # For plotting / bounding box debug