Adds Dockerfile in preparation for Dockerisation of documentation

Dockerfile

@@ -0,0 +1,28 @@
+# Base Docker image Official Python 3.10
+FROM python:3.11
+
+# Set 'build-time' environment variables
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+
+# Extra packages required for Material for MkDocs plugins (dependency for git and pdf plugins)
+RUN apt-get update \
+    apt install -y git python3-cffi python3-brotli libpango-1.0-0 libpangoft2-1.0-0
+
+# Add requirements
+COPY requirements.txt /app/requirements.txt
+
+# Set working directory for requirements installation
+WORKDIR /app/
+
+# Run installation of requirements
+RUN pip install --upgrade pip
+RUN pip install -r /app/requirements.txt
+
+# Set working directory back to main app
+WORKDIR /app/
+
+# Copy application code into image
+# (Excludes any files/dirs matched by patterns in .dockerignore)
+COPY . /app/
+