Update Dockerfile

Dockerfile

@@ -1,53 +1,30 @@
-############################################################
-# 1 ─ Base image & build‑tools
-############################################################
+# Use the official Python 3.10 slim image as the base
 FROM python:3.10-slim
 
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends build-essential curl && \
-    rm -rf /var/lib/apt/lists/*
+# Set environment variables to ensure consistent behavior
+ENV PYTHONUNBUFFERED=1 \
+    STREAMLIT_BROWSER_GATHER_USAGE_STATS=false \
+    STREAMLIT_SERVER_HEADLESS=true \
+    STREAMLIT_HOME=/tmp/.streamlit
 
+# Create the .streamlit directory with appropriate permissions
+RUN mkdir -p $STREAMLIT_HOME && chmod -R 755 $STREAMLIT_HOME
+
+# Set the working directory in the container
 WORKDIR /app
 
-############################################################
-# 2 ─ Copy dependency manifests
-############################################################
-# requirements.txt must already live at repo root
+# Copy only the requirements file first to leverage Docker cache
 COPY requirements.txt .
 
-# Create a constraints file **inside** the image so the build
-# never fails when it’s missing in the repo.
-# These pins guarantee spaCy/scispaCy keep working with NumPy. 
-RUN printf 'numpy==1.23.5\nscipy<1.11\nspacy<3.5\n' > /tmp/constraints.txt
-
-############################################################
-# 3 ─ Install Python dependencies deterministically
-############################################################
-# First pass obeys the constraints file
-RUN pip install --no-cache-dir -r requirements.txt -c /tmp/constraints.txt
-
-# Belt‑and‑braces: re‑install NumPy & SciPy pins in case
-# a future transitive dep overrides them.
-RUN pip install --no-cache-dir --force-reinstall "numpy==1.23.5" "scipy<1.11"
-
-############################################################
-# 4 ─ Copy application source code
-############################################################
-COPY . /app
-
-############################################################
-# 5 ─ Validate wheels & fetch minimal spaCy model
-############################################################
-RUN python -m spacy validate && \
-    python -m spacy download en_core_web_sm
-
-############################################################
-# 6 ─ Expose the correct port & start Streamlit
-############################################################
-ENV PORT=7860
-EXPOSE 7860
-
-CMD streamlit run app.py \
-    --server.headless=true \
-    --server.address=0.0.0.0 \
-    --server.port=$PORT
+# Install Python dependencies
+RUN pip install --no-cache-dir --upgrade pip \
+    && pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port Streamlit will run on
+EXPOSE 8501
+
+# Define the command to run the Streamlit app
+CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]