Initial commit

This is a FastAPI backend microservice template used with `copier` utility.

Features of applied template are:
- Configuration file processing logic
- Metrics and tracing (both optional) configuration available
- Debug endpoints
- Database migration commands, prepared Alembic environment
- Database usage example in ping_db endpoint
- gitea sanity check pipeline

.gitea/workflows/validate.yaml

@@ -0,0 +1,29 @@
+name: Run linters on applied template
+on: [push]
+
+jobs:
+  build-python-13:
+    name: Python 3.13 lint and build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+      - name: Install poetry
+        run: pipx install poetry && mv ~/.local/bin/poetry /usr/bin/
+      - name: Install copier
+        run: pipx install copier && mv ~/.local/bin/copier /usr/bin/
+      - name: Install project with development dependencies
+        run: copier copy --defaults . /tmp/project
+      - name: Install project with development dependencies
+        run: cd /tmp/project && poetry install --with dev
+      - name: Run isort check
+        run: cd /tmp/project && poetry run isort --check-only sample-api
+      - name: Run black check
+        run: cd /tmp/project && poetry run black --check sample-api
+      - name: Run pylint check
+        run: cd /tmp/project && poetry run pylint sample-api
+      - name: Build project
+        run: cd /tmp/project && poetry build