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}}/schemas/health_check.py

@@ -0,0 +1,9 @@
+"""Ping endpoint response is defined here."""
+
+from pydantic import BaseModel, Field
+
+
+class PingResponse(BaseModel):
+    """Ping response model, contains default message."""
+
+    message: str = Field(default="Pong!")