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_r127232485
 
 

 ##########
 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" ${BK_DIR}/conf
+
+# Bookkeeper setup
+sed -r -i.bak \
+       -e "s|^journalDirectory.*=.*|journalDirectory=${BK_JOURNAL_DIR}|" \
+       -e "s|^ledgerDirectories.*=.*|ledgerDirectories=${BK_LEDGER_DIR}|" \
+       -e "s|^[# ]*indexDirectories.*=.*|indexDirectories=${BK_INDEX_DIR}|" \
+       -e "s|^[# 
]*useHostNameAsBookieID.*=.*false|useHostNameAsBookieID=true|" \
+       ${BK_DIR}/conf/bk_server.conf
+
+if [[ "${ZK_SERVERS}" != "" ]]; then
+       sed -r -i "s|^zkServers.*=.*|zkServers=${ZK_SERVERS}|" 
${BK_DIR}/conf/bk_server.conf
+fi
+if [[ "${BK_PORT}" != "" ]]; then
+       sed -r -i "s|^bookiePort.*=.*|bookiePort=${BK_PORT}|" 
${BK_DIR}/conf/bk_server.conf
+fi
+if [[ "${BK_LEDGERS_PATH}" != "" ]]; then
+       sed -r -i "s|^[# 
]*zkLedgersRootPath.*=.*|zkLedgersRootPath=${BK_LEDGERS_PATH}|" 
${BK_DIR}/conf/bk_server.conf
+fi
+
+diff ${BK_DIR}/conf/bk_server.conf.bak ${BK_DIR}/conf/bk_server.conf || true
+# -------------- #
+
+# -------------- #
+# Wait for zookeeper server
+#set +x
 
 Review comment:
   I have un-commented them, it could be useful to wait for zk before start 
bookkeeper. Maybe can be enhanced with a timeout.
 
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