Update Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.9
 
-# Install system dependencies for TA-Lib
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
     wget \
@@ -9,29 +9,32 @@ RUN apt-get update && apt-get install -y \
 # Download and install TA-Lib C library
 RUN wget http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz && \
     tar -xzf ta-lib-0.4.0-src.tar.gz && \
-    cd ta-lib/ && \
-    ./configure --prefix=/usr && \
+    cd ta-lib && \
+    ./configure --prefix=/usr/local && \
     make && \
     make install && \
     cd .. && \
     rm -rf ta-lib ta-lib-0.4.0-src.tar.gz
 
+# Set environment so linker can find ta-lib
+ENV LD_LIBRARY_PATH=/usr/local/lib
+ENV CFLAGS="-I/usr/local/include"
+ENV LDFLAGS="-L/usr/local/lib"
+
 # Set working directory
 WORKDIR /app
 
-# Install dependencies in the correct order for compatibility
+# Install Python dependencies
 RUN pip install --upgrade pip
-RUN pip install "numpy>=2.0.0"
-RUN pip install "TA-Lib>=0.5.0"
-
-# Install other dependencies
+RUN pip install numpy==1.26.4
+RUN pip install TA-Lib==0.4.28  # latest version known to work well
 RUN pip install fastapi==0.104.1 uvicorn[standard]==0.24.0 pydantic==2.5.0 yfinance==0.2.28 requests==2.31.0
 
 # Copy application code
 COPY . .
 
 # Expose port
-EXPOSE 7680
+EXPOSE 8000
 
 # Run the application
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7680", "--reload"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]