Telegram bot's long-polling hangs after the first GetUpdates request
because libgssapi-krb5.so.2 is missing from the runtime-deps:10.0-noble
final image. .NET runtime attempts dlopen() of libgssapi during the
HTTPS handshake; without the library the HttpClient connection pool
enters an unrecoverable state and TelegramBotService never receives
new updates, even though SessionSchedulerService keeps sending
outgoing messages successfully.
Symptom (Loki, container gmrelaybot-bot-1):
Telegram bot polling started
Polling error, retrying in 5s
Telegram.Bot.Exceptions.RequestException: Bot API Service Failure
Cannot load library libgssapi_krb5.so.2
After the single Polling error, no Error handling update, no further
Polling error, and getUpdates from outside returns [] forever.
Fix: install libgssapi-krb5-2 alongside wget in the final stage of
src/GmRelay.Bot/Dockerfile. This also future-proofs Npgsql GSS/SSPI
Kerberos authentication for PostgreSQL.
Closes#129.
Bump version 3.9.5 -> 3.9.6
- Web: add /health endpoint with PostgreSQL readiness check (returns 200+JSON or 503)
- Web: add /alive endpoint for liveness probe
- Bot: add BotHealthCheckHostedService serving /health on port 8081 via HttpListener
- Bot: expose port 8081 in Dockerfile and install wget for healthcheck
- compose.yaml: add healthcheck sections for bot and web services
- tests: add TDD tests for both health endpoints
Bump version -> 1.16.0
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>