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

{{project_slug}}/db/__init__.py

@@ -0,0 +1,21 @@
+"""SQL naming convention for Alembic is defined here."""
+
+from sqlalchemy import MetaData
+from sqlalchemy.orm import declarative_base
+
+convention = {
+    "all_column_names": lambda constraint, _: "_".join([str(column.name) for column in constraint.columns.values()]),
+    "ix": "ix_%(table_name)s_%(all_column_names)s",
+    "uq": "%(table_name)s_%(all_column_names)s_key",
+    "ck": "ck_%(table_name)s_%(column_0_name)s",
+    "fk": "%(table_name)s_fk_%(all_column_names)s__%(referred_table_name)s",
+    "pk": "%(table_name)s_pk",
+}
+
+metadata = MetaData(naming_convention=convention)
+DeclarativeBase = declarative_base(metadata=metadata)
+
+__all__ = [
+    "DeclarativeBase",
+    "metadata",
+]