Add .streamlit folder and secrets

Dockerfile

@@ -1,20 +1,30 @@
-FROM python:3.13.5-slim
-
-WORKDIR /app
+# The base image for the application.
+FROM docker.io/library/python:3.13.5-slim@sha256:4c2cf9917bd1cbacc5e9b07320025bdb7cdf2df7b0ceaccb55e9dd7e30987419
 
+# Install build dependencies and Git.
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# Set the working directory inside the container.
+WORKDIR /app
+
+# Copy the Streamlit configuration files first.
+# This is a critical step to ensure permissions are handled correctly.
+COPY .streamlit/ .streamlit/
 
-RUN pip3 install -r requirements.txt
+# Copy the requirements.txt file and install Python dependencies.
+COPY requirements.txt requirements.txt
+RUN pip install -r requirements.txt
 
-EXPOSE 8501
+# Copy all the rest of the files from the current directory into the container's /app directory.
+COPY . .
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Expose port 8501 for Streamlit.
+EXPOSE 8501
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# The command to run the Streamlit application.
+# It uses the file that is located in the `src` subdirectory.
+CMD ["streamlit", "run", "src/app.py"]