caiok commented on a change in pull request #197: BOOKKEEPER-974: Add an 
official bookkeeper docker image
URL: https://github.com/apache/bookkeeper/pull/197#discussion_r127411473
 
 

 ##########
 File path: docker/4.4.0-alpine/run.sh
 ##########
 @@ -0,0 +1,68 @@
+#/bin/bash
+
+# -------------- #
+set -x -e -u
+# -------------- #
+
+# -------------- #
+# Allow the container to be started with `--user`
+if [ "$1" = 'bookkeeper' -a "$(id -u)" = '0' ]; then
+    chown -R "$BK_USER" "${BK_DIR}" "${BK_JOURNAL_DIR}" "${BK_LEDGER_DIR}" 
"${BK_INDEX_DIR}"
+    exec su-exec "$BK_USER" /bin/bash "$0" "$@"
+    exit
+fi
+# -------------- #
+
+# -------------- #
+# Copy input config files in Bookkeeper configuration directory
+cp -vaf /conf/* ${BK_DIR}/conf || true
+chown -R "$BK_USER" ${BK_DIR}/conf
+
+# Bookkeeper setup
 
 Review comment:
   Is the first step really needed or we could use the default bk_server.conf 
and then in run phase use found BK_xxx env variables for substitute confs in 
it? Furthermore, the first step will brake the possibility to mount an already 
set configuration file (it would be entirely rewritten). 
 
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