switch to pipenv

.github/workflows/tests.yml

@@ -18,7 +18,11 @@ jobs:
         with:
           python-version: "3.11"
           cache: "pip"
-      - name: Install Dependencies
-        run: pip install -r requirements.txt
+      - name: Install Pipenv
+        run: pip install pipenv
+      - name: Verify Pipfile.lock is in sync
+        run: pipenv verify
+      - name: Install dependencies
+        run: pipenv install --dev
       - name: Run Unit Tests
-        run: python -m pytest -v
+        run: pipenv run tests

Dockerfile

@@ -6,7 +6,7 @@ ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
 ENV PIP_ROOT_USER_ACTION=ignore
 
-RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup -u 80
 
 RUN \
   apk add \
@@ -16,8 +16,13 @@ RUN \
   build-base
 
 COPY . /app
-RUN pip install --no-cache-dir -r requirements.txt
+COPY Pipfile Pipfile
+COPY Pipfile.lock Pipfile.lock
+
+# Install deps and run build
+RUN pip3 install --no-cache-dir pipenv \
+  && pipenv install --system --deploy --ignore-pipfile
 
 USER 80
 EXPOSE 5000
-CMD ["flask", "run", "--host", "0.0.0.0"]
+CMD ["pipenv", "run", "flask", "run", "--host", "0.0.0.0"]

Pipfile

@@ -0,0 +1,21 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+flask = "*"
+flask-sqlalchemy = "*"
+flask-cors = "*"
+govuk-frontend-jinja = "*"
+jinja2 = "~=3.1.2"
+psycopg2-binary = "*"
+alembic = "*"
+boto3 = "*"
+pytest = "*"
+coverage = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.12"