Improve Vacation Planner Implementation

samples/web-app-cosmosdb-mongodb-api/python/src/gunicorn.conf.py

@@ -0,0 +1,18 @@
+import os
+
+
+def worker_int(worker):
+    # SIGINT (Ctrl+C) default path raises SystemExit inside the worker's recv()
+    # loop, dumping a traceback through gunicorn's HTTP parser frames. os._exit
+    # short-circuits the unwind for a clean foreground stop. SIGTERM (graceful)
+    # is unaffected — it goes through a different code path.
+    os._exit(0)
+
+
+def worker_abort(worker):
+    # SIGABRT is what the arbiter sends when a worker misses its heartbeat
+    # ([CRITICAL] WORKER TIMEOUT). The default handler does sys.exit(1), which
+    # unwinds through the same recv() stack as SIGINT and prints a misleading
+    # traceback. The WORKER TIMEOUT log line above it is the real diagnostic;
+    # exit at the C level to suppress the spurious trace.
+    os._exit(1)

samples/web-app-cosmosdb-mongodb-api/python/src/requirements.txt

@@ -1,5 +1,5 @@
 Flask==3.1.3
-azure-identity==1.25.1
-pymongo==4.15.3
-gunicorn==23.0.0
-python-dotenv==1.2.2
+azure-identity==1.25.3
+pymongo==4.17.0
+gunicorn==26.0.0
+python-dotenv==1.2.2

samples/web-app-cosmosdb-nosql-api/python/src/gunicorn.conf.py

@@ -0,0 +1,18 @@
+import os
+
+
+def worker_int(worker):
+    # SIGINT (Ctrl+C) default path raises SystemExit inside the worker's recv()
+    # loop, dumping a traceback through gunicorn's HTTP parser frames. os._exit
+    # short-circuits the unwind for a clean foreground stop. SIGTERM (graceful)
+    # is unaffected — it goes through a different code path.
+    os._exit(0)
+
+
+def worker_abort(worker):
+    # SIGABRT is what the arbiter sends when a worker misses its heartbeat
+    # ([CRITICAL] WORKER TIMEOUT). The default handler does sys.exit(1), which
+    # unwinds through the same recv() stack as SIGINT and prints a misleading
+    # traceback. The WORKER TIMEOUT log line above it is the real diagnostic;
+    # exit at the C level to suppress the spurious trace.
+    os._exit(1)

samples/web-app-cosmosdb-nosql-api/python/src/requirements.txt

@@ -1,6 +1,6 @@
 Flask==3.1.3
-azure-mgmt-cosmosdb==9.8.0
-azure-cosmos==4.7.0
-gunicorn==22.0.0
+azure-mgmt-cosmosdb==9.9.0
+azure-cosmos==4.15.0
+gunicorn==26.0.0
 python-dotenv==1.2.2
-setuptools==79.0.1
+setuptools==82.0.1

samples/web-app-managed-identity/python/src/gunicorn.conf.py

@@ -0,0 +1,18 @@
+import os
+
+
+def worker_int(worker):
+    # SIGINT (Ctrl+C) default path raises SystemExit inside the worker's recv()
+    # loop, dumping a traceback through gunicorn's HTTP parser frames. os._exit
+    # short-circuits the unwind for a clean foreground stop. SIGTERM (graceful)
+    # is unaffected — it goes through a different code path.
+    os._exit(0)
+
+
+def worker_abort(worker):
+    # SIGABRT is what the arbiter sends when a worker misses its heartbeat
+    # ([CRITICAL] WORKER TIMEOUT). The default handler does sys.exit(1), which
+    # unwinds through the same recv() stack as SIGINT and prints a misleading
+    # traceback. The WORKER TIMEOUT log line above it is the real diagnostic;
+    # exit at the C level to suppress the spurious trace.
+    os._exit(1)

samples/web-app-managed-identity/python/src/requirements.txt

@@ -1,6 +1,6 @@
 Flask==3.1.3
-azure-identity==1.16.1
-azure-storage-blob==12.26.0
-azure-core==1.38.0
-gunicorn==23.0.0
-python-dotenv==1.2.2
+azure-identity==1.25.3
+azure-storage-blob==12.29.0
+azure-core==1.41.0
+gunicorn==26.0.0
+python-dotenv==1.2.2

samples/web-app-sql-database/python/src/gunicorn.conf.py

@@ -0,0 +1,18 @@
+import os
+
+
+def worker_int(worker):
+    # SIGINT (Ctrl+C) default path raises SystemExit inside the worker's recv()
+    # loop, dumping a traceback through gunicorn's HTTP parser frames. os._exit
+    # short-circuits the unwind for a clean foreground stop. SIGTERM (graceful)
+    # is unaffected — it goes through a different code path.
+    os._exit(0)
+
+
+def worker_abort(worker):
+    # SIGABRT is what the arbiter sends when a worker misses its heartbeat
+    # ([CRITICAL] WORKER TIMEOUT). The default handler does sys.exit(1), which
+    # unwinds through the same recv() stack as SIGINT and prints a misleading
+    # traceback. The WORKER TIMEOUT log line above it is the real diagnostic;
+    # exit at the C level to suppress the spurious trace.
+    os._exit(1)

samples/web-app-sql-database/python/src/requirements.txt

@@ -1,8 +1,8 @@
 Flask==3.1.3
 azure-identity==1.25.3
 pyodbc==5.3.0
-gunicorn==25.3.0
+gunicorn==26.0.0
 python-dotenv==1.2.2
-azure-keyvault-secrets==4.10.0
-azure-keyvault-certificates==4.10.0
-cryptography==46.0.7
+azure-keyvault-secrets==4.11.0
+azure-keyvault-certificates==4.11.1
+cryptography==48.0.0