Update Dockerfile

Dockerfile

@@ -1,35 +1,31 @@
-# Use an official Python runtime as a parent image
+# Use an official lightweight Python image
 FROM python:3.9-slim
 
-# Set environment variables to prevent Python from writing .pyc files and to buffer outputs
-ENV PYTHONDONTWRITEBYTECODE=1
-ENV PYTHONUNBUFFERED=1
+# Set environment variables to prevent Python from writing .pyc files and buffering stdout/stderr
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1
 
-# Set the working directory in the container
+# Set the working directory inside the container
 WORKDIR /app
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     curl \
-    git \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy the requirements file into the container
+# Copy the requirements file and install Python dependencies
 COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Install Python dependencies
-RUN pip install --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
-
-# Copy the rest of the application code into the container
+# Copy the rest of the application code
 COPY . .
 
-# Expose the port that Streamlit uses
+# Expose the port that Streamlit listens on
 EXPOSE 8501
 
-# Set the entry point to run the Streamlit application
-ENTRYPOINT ["streamlit", "run"]
+# Healthcheck to ensure the app is running
+HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1
 
-# Specify the default command to run the app
-CMD ["app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Run the Streamlit app
+CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]