WIP: TMMA: 440 Build dev Docker environment (#203)

* TMMA-440: Extend Docker base image with Python enhancements
* Add a basic docker build GitHub action CI/CD check

.github/workflows/docker.yml

@@ -0,0 +1,39 @@
+name: Docker build
+# TODO: Trigger a fresh build every Wednesday 
+# Triggered after changes to code or deployment config for model 1
+# Or can be triggered manualy
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      # TODO: Review scope of GitHub action grows
+      - '.github/workflows/docker.yml'
+      - 'deploy/Dockerfile'
+      - 'entrypoints/**'
+      - 'requirements/**'
+  # schedule:
+  #   - cron: 30 9 * * WED
+
+env:
+  IMAGE_NAME: uobristol/temmpo-web
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Record Docker version
+        run: docker -v
+      - uses: whoan/docker-build-with-cache-action@v6
+        with:
+          context: .
+          dockerfile: 'deploy/Dockerfile'
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: "${{ secrets.DOCKER_HUB_PASSWORD }}"
+          image_name: ${{ env.IMAGE_NAME }}
+          image_tag: ${{ github.sha }}
+          # Build from scratch if a scheduled job
+          pull_image_and_stages: ${{ github.event_name != 'schedule' }}
+          push_image_and_stages: docker run ${{ env.IMAGE_NAME }}:${{ github.sha }}
+
+# https://github.com/marketplace/actions/build-docker-images-using-cache#from-a-compose-file

deploy/Dockerfile

@@ -1,5 +1,7 @@
 FROM python:3.8.17-slim
 
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
 ENV PIP_VERSION='23.2.1'
 ENV SETUPTOOLS_VERSION='68.0.0'
 ENV PIP_TOOLS_VERSION='7.2.0'
@@ -40,4 +42,9 @@ RUN pip install virtualenv==$VE_VERSION
 
 WORKDIR /srv
 
-VOLUME [ "/srv" ]
+VOLUME [ "/srv" ]
+
+# TODO: Replace temp basic build test as image is developed further
+COPY requirements/requirements.txt /srv
+RUN pip install --no-deps -r /srv/requirements.txt
+CMD [ "pip", "check" ]