feat(backend): Migrate to uv and update packages

Author: whyredfire

backend/.dockerignore

@@ -0,0 +1,2 @@
+.venv
+venv

backend/.python-version

@@ -0,0 +1 @@
+3.13

backend/Dockerfile

@@ -1,11 +1,32 @@
-FROM python:3.13-alpine3.21
+FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim AS builder
+ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
+
+# Disable Python downloads, because we want to use the system interpreter
+# across both images. If using a managed Python version, it needs to be
+# copied from the build image into the final image; see `standalone.Dockerfile`
+# for an example.
+ENV UV_PYTHON_DOWNLOADS=0
 
 WORKDIR /app
+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 --locked --no-install-project --no-dev
+COPY . /app
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --locked --no-dev
 
-COPY ./requirements.txt /app/requirements.txt
 
-RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
+# Then, use a final image without uv
+FROM python:3.13-slim-bookworm
 
-COPY . /app
+WORKDIR /app
+
+# Copy the application from the builder
+COPY --from=builder --chown=app:app /app /app
+
+# Place executables in the environment at the front of the path
+ENV PATH="/app/.venv/bin:$PATH"
 
+# Run the FastAPI application by default
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

backend/pyproject.toml

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+[project]
+name = "betterslcm-backend"
+version = "0.1.0"
+description = "FastAPI application for SLCM Switch"
+readme = "README.md"
+authors = [
+    { name = "Karan Parashar", email = "whyredfire@gmail.com" },
+]
+requires-python = ">=3.13"
+dependencies = [
+    "bs4>=0.0.2",
+    "fastapi[standard]>=0.116.1",
+    "requests>=2.32.4",
+]