feat: init

config/dns/entrypoint.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+if [ ! -d "/app/conf" ]; then
+  mkdir /app/conf
+fi
+
+if [ ! -f "/app/conf/config.json" ]; then
+  cp /conf/config.sample.json /app/conf/config.json
+elif [ "/conf/config.sample.json" -nt "/app/conf/config.json" ]; then
+  echo "example config file is newer than existing config."
+  echo "replacing existing file by new config"
+
+  CONFIG_BACKUP="/app/conf/config_$(date +"%Y%m%d_%H%M%s").json"
+
+  echo "saving existing config as ${CONFIG_BACKUP}"
+
+  cp /app/conf/config.json ${CONFIG_BACKUP}
+  cp /conf/config.sample.json /app/conf/config.json
+fi
+
+if [ -z "$@" ] ; then
+  exec "/app/dns-proxy-server" -XX:MaxHeapSize=50m -XX:MaxNewSize=10m
+else
+  exec "$@"
+fi