refactor(docker): Define required Python packages in separate file

This will for example allow to easily control versions of specific
Python packages if needed.

Signed-off-by: Johanna Lamppu <[email protected]>

Author: lamppu

.reuse/dep5

@@ -181,3 +181,7 @@ License: CC-BY-4.0
 Files: renovate.json
 Copyright: 2024 Double Open Oy
 License: CC-BY-4.0
+
+Files: requirements.txt
+Copyright: 2025 Double Open Oy
+License: CC-BY-4.0

Worker.Dockerfile

@@ -16,8 +16,11 @@ RUN apt-get update && \
 # Create a virtual environment for Python
 RUN python3 -m venv /venv
 
+# Copy the requirements file to the container
+COPY requirements.txt /venv/
+
 # Activate the virtual environment and install required Python packages
-RUN /venv/bin/pip install scancode-toolkit==32.1.0
+RUN /venv/bin/pip install -r /venv/requirements.txt
 
 # DOS
 

requirements.txt

@@ -0,0 +1 @@
+scancode-toolkit==32.1.0