Version 0.2.0

Changes:
- add metrics dispencer
- add basic authentication dependency
- enable GZIP middleware
- add !env() example to deploy section
- update dependencies state attribute name

{{project_slug}}/middlewares/observability.py.jinja

@@ -41,7 +41,7 @@ class ObservabilityMiddleware(BaseHTTPMiddleware):  # pylint: disable=too-few-pu
     def __init__(self, app: FastAPI, exception_mapper: ExceptionMapper, metrics: Metrics, urls_mapper: URLsMapper):
         super().__init__(app)
         self._exception_mapper = exception_mapper
-        self._metrics = metrics
+        self._http_metrics = metrics.http
         self._urls_mapper = urls_mapper
 
     async def dispatch(self, request: Request, call_next):
@@ -49,7 +49,7 @@ class ObservabilityMiddleware(BaseHTTPMiddleware):  # pylint: disable=too-few-pu
         _try_get_parent_span_id(request)
         with _tracer.start_as_current_span("http-request") as span:
             trace_id = hex(span.get_span_context().trace_id or randint(1, 1 << 63))[2:]
-            span_id = span.get_span_context().span_id or randint(1, 1 << 32)
+            span_id = span.get_span_context().span_id or randint(1, 1 << 31)
             span.set_attributes(
                 {
                     http_attributes.HTTP_REQUEST_METHOD: request.method,
@@ -70,7 +70,7 @@ class ObservabilityMiddleware(BaseHTTPMiddleware):  # pylint: disable=too-few-pu
             )
 
             path_for_metric = self._urls_mapper.map(request.url.path)
-            self._metrics.requests_started.add(1, {"method": request.method, "path": path_for_metric})
+            self._http_metrics.requests_started.add(1, {"method": request.method, "path": path_for_metric})
 
             time_begin = time.monotonic()
             try:
@@ -94,7 +94,7 @@ class ObservabilityMiddleware(BaseHTTPMiddleware):  # pylint: disable=too-few-pu
                 )
                 raise ObservableException(trace_id=trace_id, span_id=span_id) from exc
             finally:
-                self._metrics.request_processing_duration.record(
+                self._http_metrics.request_processing_duration.record(
                     duration_seconds, {"method": request.method, "path": path_for_metric}
                 )
 
@@ -109,7 +109,7 @@ class ObservabilityMiddleware(BaseHTTPMiddleware):  # pylint: disable=too-few-pu
         duration_seconds: float,
     ) -> None:
         await logger.ainfo("request handled successfully", time_consumed=round(duration_seconds, 3))
-        self._metrics.requests_finished.add(
+        self._http_metrics.requests_finished.add(
             1, {"method": request.method, "path": path_for_metric, "status_code": result.status_code}
         )
 
@@ -132,7 +132,7 @@ class ObservabilityMiddleware(BaseHTTPMiddleware):  # pylint: disable=too-few-pu
             if exc.__cause__ is not None:
                 cause = exc.__cause__
 
-        self._metrics.errors.add(
+        self._http_metrics.errors.add(
             1,
             {
                 "method": request.method,