make it possible to regenerate spec from code

greeting/src/greeting.py

@@ -33,6 +33,6 @@ def format_greeting(query_data):
     port = 0 if "DYNAMIC_PORTS" in os.environ else 5002
     if "DUMP_SCHEMA" in os.environ:
         print("Writing schema file")
-        with open(os.path.join(os.path.dirname(__file__), "openapi.yaml"), "w") as f:
+        with open(os.path.join(os.path.dirname(__file__), "greeting-openapi.yaml"), "w") as f:
             yaml.dump(app.spec, f)
     app.run(port=port)

newsletter/src/newsletter.py

@@ -48,6 +48,6 @@ def _get(url, params=None):
     port = 0 if "DYNAMIC_PORTS" in os.environ else 5010
     if "DUMP_SCHEMA" in os.environ:
         print("Writing schema file")
-        with open(os.path.join(os.path.dirname(__file__), "openapi.yaml"), "w") as f:
+        with open(os.path.join(os.path.dirname(__file__), "newsletter-openapi.yaml"), "w") as f:
             yaml.dump(app.spec, f)
     app.run(port=port)

users/src/users.py

@@ -35,6 +35,6 @@ def get_person_http(name):
     port = 0 if "DYNAMIC_PORTS" in os.environ else 5001
     if "DUMP_SCHEMA" in os.environ:
         print("Writing schema file")
-        with open(os.path.join(os.path.dirname(__file__), "openapi.yaml"), "w") as f:
+        with open(os.path.join(os.path.dirname(__file__), "users-openapi.yaml"), "w") as f:
             yaml.dump(app.spec, f)
     app.run(port=port)