Setup backend for users

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: pip
+    directory: "/backend"
+    schedule:
+      interval: weekly
+      day: monday
+    labels:
+      - skip-changelog
+      - dependencies
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: weekly
+      day: monday
+    labels:
+      - skip-changelog
+      - dependencies

.github/workflows/testing.yml

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+name: Testing
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+env:
+  PYTHON_VERSION: "3.13"
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: install Just
+        uses: taiki-e/install-action@just
+      - name: Build backend image
+        run: just docker-build-backend
+  linting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: install Just
+        uses: taiki-e/install-action@just
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+      - name: Install Dependencies
+        run: just backend-install
+      - name: Ruff format check
+        run: just ruff-format-ci
+      - name: Lint with ruff
+        run: just ruff-check
+      - name: mypy check
+        run: just mypy
+  testing:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.13"]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: install Just
+        uses: taiki-e/install-action@just
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install Dependencies
+        run: just backend-install
+      - name: Start docker containers
+        run: just docker-up-detached
+      - name: Test with pytest
+        run: just backend-test

.gitignore

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+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# OS Files
+*.swp
+*.DS_Store
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pixi environments
+.pixi
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# editors
+.idea
+.vscode

.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+    - id: check-added-large-files
+    - id: check-toml
+    - id: check-yaml
+    - id: debug-statements
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.13.0
+    hooks:
+    - id: mypy
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.7.3
+    hooks:
+    - id: ruff
+      args: [--fix, --exit-non-zero-on-fix]
+    - id: ruff-format

backend/.dockerignore

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+__pycache__
+app.egg-info
+*.pyc
+.mypy_cache
+.pytest_cache
+.ruff_cache
+.coverage
+htmlcov
+.cache
+.venv
+.env
+*.log