Tidying up for future changes

- Changelog started. Existing version 0.0.2
- Add section for application wide TODOs. Each moved to changelog when done
- Adjusted .gitignore and .dockerignore
- Updated image base to python:3.10-slim-trixie. Cleaned up image build.
- Added default environment values to compose file
- Cleaned up pyproject.toml.
- Deleted unused gui-tk.py.

Dockerfile

@@ -1,24 +1,26 @@
 # Dockerfile
-FROM python:3.10-slim
+FROM python:3.10-slim-trixie
 
 # Set working directory
 WORKDIR /app
 
-# Copy requirements file and install dependencies
-# COPY requirements.txt .
+# Apply security updates
+RUN apt update && apt-get install -y --only-upgrade $(apt-get --just-print upgrade | awk 'tolower($4) ~ /.*security.*/ || tolower($5) ~ /.*security.*/ {print $2}' | sort | uniq) && rm -rf /var/lib/apt/lists/*
+
 RUN pip install --no-cache-dir hatch
 
-# Copy the entire project to the working directory
-COPY ./src /app/src
-COPY ./README.md /app/README.md
-COPY ./LICENSE /app/LICENSE
-COPY ./pyproject.toml /app/pyproject.toml
-COPY ./scripts /app/scripts
-#COPY ./tests /app/tests
-COPY ./docs /app/docs
+# Copy first part of project that needs to be rebuilt
+#  if it changes
+COPY ./pyproject.toml ./src /app/
 
-# Expose the port the app runs on (adjust based on your app's settings)
+# Pre-installed files needed at runtime
+RUN hatch env create default -- --no-cache-dir
+
+# Copy the rest of the project; readme and license
+COPY ./README.md ./LICENSE /app/
+
+# Expose the default port the app runs on
 EXPOSE 5232
 
 # Command to run the app
-CMD ["hatch","run","subdomain_server","--port","5232","--config-path","/app/config/config.yaml","--debug"]
+CMD ["hatch","run","subdomain_server","--config-path","/app/config/config.yaml"]