allow the JVM timezone to be set via environment variable when launching from docker image.

bin/docker/run_metabase.sh

@@ -25,5 +25,12 @@ if [ ! -z "$RDS_HOSTNAME" ]; then
 fi
 
 
+# Setup Java Options
+JAVA_OPTS="-Dlogfile.path=target/log -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC"
+
+if [ ! -z "$JAVA_TIMEZONE"]; then
+  JAVA_OPTS="${JAVA_OPTS} -Duser.timezone=${JAVA_TIMEZONE}"
+fi
+
 # Launch the application
-exec java -Dlogfile.path=target/log -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC -jar /app/metabase.jar
+exec java $JAVA_OPTS -jar /app/metabase.jar

src/metabase/core.clj

@@ -113,7 +113,8 @@
 (defn init!
   "General application initialization function which should be run once at application startup."
   []
-  (log/info (format "Starting Metabase version %s..." config/mb-version-string))
+  (log/info (format "Starting Metabase version %s ..." config/mb-version-string))
+  (log/info (format "System timezone is '%s' ..." (System/getProperty "user.timezone")))
   (reset! metabase-initialization-progress 0.1)
 
   ;; First of all, lets register a shutdown hook that will tidy things up for us on app exit