chore(sonar): add .sonarcloud.properties (#554)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: nanotaboada

.sonarcloud.properties

@@ -0,0 +1,58 @@
+# =============================================================================
+# SonarCloud Automatic Analysis configuration
+# https://docs.sonarsource.com/sonarqube-cloud/advanced-setup/automatic-analysis/
+#
+# SonarCloud's automatic analysis (GitHub App, no CI workflow) reads THIS file.
+# Wildcard patterns are NOT supported here, so all exclusion paths must be
+# listed explicitly.
+# =============================================================================
+
+sonar.projectKey=nanotaboada_python-samples-fastapi-restful
+sonar.organization=nanotaboada
+sonar.projectName=python-samples-fastapi-restful
+
+sonar.sources=databases,models,routes,schemas,services,tools,main.py
+sonar.tests=tests
+
+# =============================================================================
+# Global exclusions
+# Standalone seed scripts excluded from analysis.
+# =============================================================================
+
+sonar.exclusions=\
+  tools/seed_001_starting_eleven.py,\
+  tools/seed_002_substitutes.py
+
+# =============================================================================
+# Coverage exclusions
+# Mirrors codecov.yml ignore list — focus on routes/, services/
+# =============================================================================
+
+sonar.coverage.exclusions=\
+  databases/__init__.py,\
+  databases/player_database.py,\
+  models/__init__.py,\
+  models/player_model.py,\
+  schemas/__init__.py,\
+  schemas/player_schema.py,\
+  tools/seed_001_starting_eleven.py,\
+  tools/seed_002_substitutes.py,\
+  tests/__init__.py,\
+  tests/conftest.py,\
+  tests/player_stub.py,\
+  tests/test_main.py,\
+  main.py
+
+# =============================================================================
+# Duplicate code (CPD) exclusions
+# Automatic analysis does not support wildcard patterns, so each file is
+# listed explicitly.
+#
+# player_stub.py — test fixture; parallel field assignments by design.
+# seed scripts — sequential insert calls are intentionally repetitive.
+# =============================================================================
+
+sonar.cpd.exclusions=\
+  tests/player_stub.py,\
+  tools/seed_001_starting_eleven.py,\
+  tools/seed_002_substitutes.py

CHANGELOG.md

@@ -44,6 +44,10 @@ This project uses famous football coaches as release codenames, following an A-Z
 
 ### Added
 
+- `.sonarcloud.properties`: SonarCloud Automatic Analysis configuration —
+  sources, tests, coverage exclusions aligned with `codecov.yml` (#554)
+- `.dockerignore`: added `.claude/`, `CLAUDE.md`, `.coderabbit.yaml`,
+  `.sonarcloud.properties`, `CHANGELOG.md`, `README.md` (#554)
 - CD workflow now verifies tag commit is reachable from `master` before
   proceeding with build and publish steps (#549)