w: add docker installation (#152)

install/docker/backend/entrypoint.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+ROOT=/root/.hydro
+
+mkdir -p $ROOT
+
+if [ ! -f "$ROOT/addon.json" ]; then
+    echo '["@hydrooj/ui-default"]' > "$ROOT/addon.json"
+fi
+
+if [ ! -f "$ROOT/config.json" ]; then
+    # TODO 变成变量
+    echo '{"host": "oj-mongo", "port": "27017", "name": "hydro", "username": "", "password": ""}' > "$ROOT/config.json"
+fi
+
+if [ ! -f "$ROOT/first" ]; then
+    echo "for marking use only!" > "$ROOT/first"
+	hydrooj cli system set file.accessKey "$ACCESS_KEY"
+    hydrooj cli system set file.secretKey "$SECRET_KEY"
+    # TODO 变成变量
+    hydrooj cli system set file.endPoint http://oj-minio:9000/
+
+    hydrooj cli user create systemjudge@systemjudge.local root rootroot
+    hydrooj cli user setSuperAdmin 2
+fi
+
+pm2-runtime start hydrooj