Update Dockerfile

Dockerfile

@@ -1,21 +1,28 @@
 FROM python:3.9-slim
 
-WORKDIR /
+# Set working directory
+WORKDIR /app
 
-RUN apt-get update && apt-get install -y \
+# Install system dependencies (only what you need)
+RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     curl \
-    software-properties-common \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# Install Python dependencies first (to leverage Docker cache)
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip \
+    && pip install --no-cache-dir -r requirements.txt
 
-RUN pip3 install -r requirements.txt
+# Copy source code
+COPY src/ ./src/
 
+# Streamlit default port
 EXPOSE 8501
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Healthcheck for container monitoring
+HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Run Streamlit app
+ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]