specify log file

.env.sample

@@ -8,6 +8,7 @@ SIGNUPS_ALLOWED=true
 
 USE_SYSLOG=true
 EXTENDED_LOGGING=true
+LOG_FILE=/data/vaultwarden.log
 LOG_LEVEL=warn
 
 SECRET_ADMIN_TOKEN_VERSION=v1 # length=48

compose.yml

@@ -13,6 +13,7 @@ services:
       - "ADMIN_TOKEN_FILE=/run/secrets/admin_token"
       - "USE_SYSLOG=$USE_SYSLOG"
       - "EXTENDED_LOGGING=$EXTENDED_LOGGING"
+      - "LOG_FILE=$LOG_FILE"
       - "LOG_LEVEL=$LOG_LEVEL"
     configs:
       - source: app_entrypoint