Merge pull request #699 from communitiesuk/uv-requirements

Migrate app to use `uv` for dependencies

Dockerfile

@@ -1,10 +1,23 @@
 FROM python:3.10-bullseye
 
 WORKDIR /app
-COPY requirements-dev.txt requirements-dev.txt
-RUN python3 -m pip install --upgrade pip && pip install -r requirements-dev.txt
+
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+
+# Install the project's dependencies using the lockfile and settings
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-install-project
+
+# Then, add the rest of the project source code and install it
+# Installing separately from its dependencies allows optimal layer caching
 COPY . .
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --frozen
 
+# Place executables in the environment at the front of the path
+ENV PATH="/app/.venv/bin:$PATH"
 EXPOSE 8080
 
-CMD ["flask", "run", "--port", "8080", "--host", "0.0.0.0"]
+CMD ["flask", "run", "--host", "0.0.0.0", "--port", "8080"]

pyproject.toml

@@ -1,14 +1,58 @@
-[package]
+[project]
 name = "funding-service-design-assessment"
 version = "0.1.1"
 description = "The funding service design frontend for the DLUHC."
 authors = ["Version One"]
 license = "MIT License"
 
+requires-python = ">=3.10, <3.11"
+dependencies = [
+    "babel>=2.16.0",
+    "beautifulsoup4==4.12.2",
+    "boto3>=1.35.7",
+    "connexion>=3.1.0",
+    "cssmin>=0.2.0",
+    "email-validator>=2.2.0",
+    "flask>=2.3.3",
+    "flask-assets>=2.1.0",
+    "flask-babel>=2.0.0",
+    "flask-compress>=1.15",
+    "flask-talisman==1.1.0",
+    "flask-wtf>=1.2.1",
+    "funding-service-design-utils>=2.0.51,<2.1.0",
+    "govuk-frontend-jinja>=3.2.0",
+    "jsmin>=3.0.1",
+    "num2words>=0.5.13",
+    "openapi-spec-validator>=0.7.1",
+    "pyopenssl>=24.2.1",
+    "pyscss>=1.4.0",
+    "requests>=2.32.3",
+    "swagger-ui-bundle>=1.1.0",
+    "xhtml2pdf>=0.2.16",
+]
+
 [tool.isort]
 profile = "black"
 force_single_line = "true"
 
 [tool.flake8]
 max-line-length = 120
 count = true
+
+[tool.uv]
+
+[dependency-groups]
+dev = [
+    "beautifulsoup4==4.12.2",
+    "black>=24.8.0",
+    "boto3>=1.35.7",
+    "debugpy>=1.8.5",
+    "deepdiff>=8.0.0",
+    "flake8-pyproject>=1.2.3",
+    "invoke>=2.2.0",
+    "pre-commit~=4.0.0",
+    "pytest>=8.3.2",
+    "pytest-env>=1.1.3",
+    "pytest-flask>=1.3.0",
+    "pytest-mock>=3.14.0",
+]