no-mistakes(test): Fix Docker build: add build-system config and scope package discovery to app*

Dockerfile

@@ -14,7 +14,7 @@ COPY alembic/ alembic/
 COPY app/ app/
 
 # Install Python dependencies
-RUN pip install --no-cache-dir -e .
+RUN pip install --no-cache-dir .
 
 # Expose port
 EXPOSE 8000

pyproject.toml

@@ -15,6 +15,13 @@ dependencies = [
     "aiosqlite>=0.20.0",
 ]
 
+[build-system]
+requires = ["setuptools>=64.0"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+include = ["app*"]
+
 [project.optional-dependencies]
 dev = [
     "pytest>=8.0",