feat: support start the container as non-root user (close #45, close #47)

scripts/entrypoint.sh

@@ -37,16 +37,13 @@ if [[ "$1" == "restore" ]]; then
 fi
 
 function configure_timezone() {
-    if [[ ! -f /etc/localtime || ! -f /etc/timezone ]]; then
-        cp -f "/usr/share/zoneinfo/${TIMEZONE}" /etc/localtime
-        echo "${TIMEZONE}" > /etc/timezone
-    fi
+    ln -sf "/usr/share/zoneinfo/${TIMEZONE}" /tmp/localtime
 }
 
 function configure_cron() {
-    local FIND_CRON_COUNT=$(crontab -l | grep -c 'backup.sh')
-    if [[ ${FIND_CRON_COUNT} -eq 0 ]]; then
-        echo "${CRON} bash /app/backup.sh > /dev/stdout" >> /etc/crontabs/root
+    local FIND_CRON_COUNT="$(grep -c 'backup.sh' "${CRON_CONFIG_FILE}" 2> /dev/null)"
+    if [[ "${FIND_CRON_COUNT}" -eq 0 ]]; then
+        echo "${CRON} bash /app/backup.sh" >> "${CRON_CONFIG_FILE}"
     fi
 }
 
@@ -56,4 +53,4 @@ configure_timezone
 configure_cron
 
 # foreground run crond
-crond -l 2 -f
+supercronic -passthrough-logs -quiet "${CRON_CONFIG_FILE}"