Zookeeper CD/CI

data-zookeeper/Dockerfile

 FROM openjdk:8-jre-alpine
 
+RUN apk update && apk add ca-certificates && \
+    apk add tzdata && \
+    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone
+
 # Install required packages
 RUN apk add --no-cache \
     bash \
@@ -16,12 +21,10 @@ ENV ZOO_USER=zookeeper \
     ZOO_SYNC_LIMIT=2 \
     ZOO_AUTOPURGE_PURGEINTERVAL=0 \
     ZOO_AUTOPURGE_SNAPRETAINCOUNT=3 \
-    ZOO_MAX_CLIENT_CNXNS=60 \
-    TZ=Asia/Shanghai
+    ZOO_MAX_CLIENT_CNXNS=60
 
 # Add a user and make dirs
-RUN echo $TZ > /etc/timezone \
-    set -ex; \
+RUN set -ex; \
     adduser -D "$ZOO_USER"; \
     mkdir -p "$ZOO_DATA_LOG_DIR" "$ZOO_DATA_DIR" "$ZOO_CONF_DIR" "$ZOO_LOG_DIR"; \
     chown "$ZOO_USER:$ZOO_USER" "$ZOO_DATA_LOG_DIR" "$ZOO_DATA_DIR" "$ZOO_CONF_DIR" "$ZOO_LOG_DIR"
@@ -47,7 +50,6 @@ RUN set -ex; \
     rm -rf "$GNUPGHOME" "$DISTRO_NAME.tar.gz" "$DISTRO_NAME.tar.gz.asc"; \
     apk del .build-deps
 
-
 WORKDIR $DISTRO_NAME
 VOLUME ["$ZOO_DATA_DIR", "$ZOO_DATA_LOG_DIR", "$ZOO_LOG_DIR"]