Update Dockerfile

Dockerfile

@@ -1,7 +1,9 @@
-FROM python:3.9-slim
+FROM python:3.9-slim # Start with python:3.9-slim, it's fine
 
 WORKDIR /app
 
+# We don't strictly need build-essential for this version of the app,
+# but it doesn't hurt to keep it for now if previous builds needed it.
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
@@ -9,13 +11,16 @@ RUN apt-get update && apt-get install -y \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
-
+COPY requirements.txt ./         # Copies requirements.txt to /app/requirements.txt
 RUN pip3 install -r requirements.txt
 
-EXPOSE 8501
+# --- THIS IS THE CRITICAL CHANGE ---
+# Copy EVERYTHING from the current directory (where Dockerfile is) 
+# into the /app directory in the container.
+# This will include your app.py.
+COPY . .                         
+# --- END OF CRITICAL CHANGE ---
 
+EXPOSE 8501
 HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
-
 ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]