feat: init

config/dns/config.sample.json

@@ -0,0 +1,41 @@
+{
+  "version": 2,
+  "activeEnv": "",
+  "webServerPort": null,
+  "dnsServerPort": null,
+  "defaultDns": null,
+  "logLevel": null,
+  "logFile": null,
+  "registerContainerNames": null,
+  "hostMachineHostname": null,
+  "domain": "docker",
+  "dpsNetwork": true,
+  "dpsNetworkAutoConnect": true,
+  "resolvConfOverrideNameServers": false,
+  "noRemoteServers": true,
+  "noEntriesResponseCode": 2,
+  "remoteDnsServers": [],
+  "envs": [
+    {
+      "name": "",
+      "hostnames": [
+        {
+          "id": 1,
+          "hostname": ".vm",
+          "ip": "",
+          "target": "host.docker",
+          "ttl": 3600,
+          "type": "CNAME"
+        },
+        {
+          "id": 2,
+          "hostname": ".dev.local",
+          "ip": "",
+          "target": "host.docker",
+          "ttl": 3600,
+          "type": "CNAME"
+        }
+      ]
+    }
+  ]
+},

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