- homelab/docker-compose.yml: add redis:7-alpine service (port 6379 bound to host
so Caddy TLS proxy on prod can reach it), add libretranslate service, add
redis_data and libretranslate_data volumes
- asynqqueue/producer.go: Asynq enqueue failures are now logged as warnings instead
of returned as errors — PB record already exists so runner picks it up via poll
- backend/main.go: pass logger to NewProducer
Root cause: Redis was not reachable at 192.168.0.109:6379 because the redis
container had no host port binding. Caddy TLS proxy terminates TLS but could
not TCP-connect to the backend Redis.
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