diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index 7dad57d93..b3c399d3a 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -32,14 +32,30 @@ services:
       - SYS_PTRACE
     volumes:
       - ./logs:/var/log/grd_login 
+      - ./login_server/src:/code/src
+      - ./configs/login_server:/etc/grd_login
+      - login_build:/code/build
       - conan:/root/.conan
 
+
   #########################################################
   ## COMMUNITY SERVER (cakephp with php-fpm) ##############
   #########################################################
-  #community-server:
-  #  volumes:
-  #    - ./community_server
+  community-server:
+    build: 
+      context: .
+      dockerfile: ./community_server/Dockerfile
+    environment:
+      - DB_PASSWORD=''
+      - DB_USER='root'
+      - DB_DATABASE='gradido_community'
+    depends_on: 
+      - mariadb
+    networks: 
+      - internal-net
+    volumes:
+      - ./community_server/config/php-fpm/php-ini-overrides.ini:/etc/php/7.4/fpm/conf.d/99-overrides.ini
+      - ./community_server/src:/var/www/cakephp/src
 
       
   #########################################################
@@ -84,5 +100,6 @@ services:
    
 volumes:
   frontend_node_modules:
+  login_build:
   conan:
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 3ac176d9d..8b5bf33de 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -65,7 +65,6 @@ services:
       - 1201:1201
     volumes:
       - ./configs/login_server:/etc/grd_login
-      - login_build:/code/build_vol
       
   #########################################################
   ## NGINX ################################################
@@ -131,4 +130,4 @@ networks:
 
 volumes:
   db_vol: 
-  login_build:
+  
diff --git a/docu/login_server.api.md b/docu/login_server.api.md
index 025e04094..27d83c06a 100644
--- a/docu/login_server.api.md
+++ b/docu/login_server.api.md
@@ -96,6 +96,7 @@ with:
 	"first_name":"Max",
 	"last_name":"Musterman" ,
     "emailType": 2,
+	"group_id": 1,
 	"password":"123abcDE&",
 	"login_after_register":true
 }
@@ -104,6 +105,7 @@ with:
 - `emailType`: control email-text sended with email verification code
   - 2: default, if user has registered directly
   - 5: if user was registered by an admin 
+- `group_id`: group id of group to which user will join (id from login_server)
 - `login_after_register`: if set to true auto-login after create user was successfull, means session cookie is set and session_id returned
 
 ### Response
diff --git a/login_server/Dockerfile.debug b/login_server/Dockerfile.debug
index f1b235e4e..bb65996fb 100644
--- a/login_server/Dockerfile.debug
+++ b/login_server/Dockerfile.debug
@@ -1,42 +1,32 @@
 
 #########################################################################################################
-# Build debug
+# debug build preparation
 #########################################################################################################
-From gradido/login_dependencies:stage2 as debug
-
-ENV DOCKER_WORKDIR="/code"
-
+From conanio/gcc9 as build_debug_preparation
 USER root
 
+ENV DOCKER_WORKDIR="/code"
+	
+RUN mkdir -p ${DOCKER_WORKDIR}
 WORKDIR ${DOCKER_WORKDIR}
-COPY . .
 
-RUN chmod +x unix_parse_proto.sh
-RUN chmod +x compile_pot.sh
-
-RUN ./compile_pot.sh
-RUN ./unix_parse_proto.sh
+COPY . . 
 
+RUN cd dependencies/mariadb-connector-c && \
+	mkdir build && \
+	cd build && \
+	cmake -DCMAKE_BUILD_TYPE=Debug -DWITH_SSL=OFF ..
 
 #########################################################################################################
 # run debug
 #########################################################################################################
-FROM debug as login_server_debug
+FROM build_debug_preparation as login_server_debug
 
 ENV DOCKER_WORKDIR="/code"
-#RUN apt-get update && \
-#    apt-get install -y --no-install-recommends gdb && \
-#	apt-get autoclean && \
-#	apt-get autoremove && \
-#    apt-get clean && \
-#	rm -rf /var/lib/apt/lists/*
-	
-VOLUME /var/log/grd_login
-VOLUME /code/src
 
 EXPOSE 1200
 EXPOSE 1201
 WORKDIR ${DOCKER_WORKDIR}
 RUN chmod +x ./Dockerfiles/build_and_run.sh 
 
-CMD ./Dockerfiles/build_and_run.sh; ./build_vol/bin/Gradido_LoginServer
+CMD ./Dockerfiles/build_and_run.sh; ./build/bin/Gradido_LoginServer
diff --git a/login_server/Dockerfiles/build_and_run.sh b/login_server/Dockerfiles/build_and_run.sh
index 59408daca..e18dcd17d 100644
--- a/login_server/Dockerfiles/build_and_run.sh
+++ b/login_server/Dockerfiles/build_and_run.sh
@@ -1,7 +1,21 @@
 #!/bin/bash
-cp build/conan* build_vol/
-cd build_vol 
 
+cd build
+conan install .. --build=missing -s build_type=Debug
+cmake -DCMAKE_BUILD_TYPE=Debug ..
+make -j${CPU_COUNT} protoc grpc_cpp_plugin
+cd ..
+
+if [ ! -d "./src/cpp/proto/hedera" ] ; then
+#if [ ! -f "./src/cpp/proto/gradido/TransactionBody.pb.h"] ; then 
+	chmod +x unix_parse_proto.sh 
+    ./unix_parse_proto.sh
+fi
+chmod +x compile_pot.sh
+
+./compile_pot.sh
+
+cd build 
 cmake -DCMAKE_BUILD_TYPE=Debug ..
 make -j$(nproc) Gradido_LoginServer
 #echo "building done"
diff --git a/login_server/src/cpp/JSONInterface/JsonCreateUser.cpp b/login_server/src/cpp/JSONInterface/JsonCreateUser.cpp
index f0a6ee7e9..c66d10c8d 100644
--- a/login_server/src/cpp/JSONInterface/JsonCreateUser.cpp
+++ b/login_server/src/cpp/JSONInterface/JsonCreateUser.cpp
@@ -17,11 +17,12 @@ Poco::JSON::Object* JsonCreateUser::handle(Poco::Dynamic::Var params)
 	std::string password;
 	bool login_after_register = false;
 	int emailType;
-	int group_id;
+	int group_id = 1;
+	bool group_was_not_set = false;
 
 	auto em = EmailManager::getInstance();
 	auto sm = SessionManager::getInstance();
-
+    printf("enter\n");
 	// if is json object
 	if (params.type() == typeid(Poco::JSON::Object::Ptr)) {
 		Poco::JSON::Object::Ptr paramJsonObject = params.extract<Poco::JSON::Object::Ptr>();
@@ -35,7 +36,11 @@ Poco::JSON::Object* JsonCreateUser::handle(Poco::Dynamic::Var params)
 			paramJsonObject->get("first_name").convert(first_name);
 			paramJsonObject->get("last_name").convert(last_name);
 			paramJsonObject->get("emailType").convert(emailType);
-			paramJsonObject->get("group_id").convert(group_id);
+			auto group_id_obj = paramJsonObject->get("group_id");
+
+			if(!group_id_obj.isEmpty()) {
+                group_id_obj.convert(group_id);
+			}
 
 			if ((ServerConfig::g_AllowUnsecureFlags & ServerConfig::UNSECURE_PASSWORD_REQUESTS)) {
 				paramJsonObject->get("password").convert(password);
@@ -75,6 +80,10 @@ Poco::JSON::Object* JsonCreateUser::handle(Poco::Dynamic::Var params)
 	}
 
 	// create user
+	if(!group_id) {
+        group_id = 1;
+        group_was_not_set = true;
+	}
 	user = controller::User::create(email, first_name, last_name, group_id);
 	auto userModel = user->getModel();
 	Session* session = nullptr;
@@ -93,7 +102,7 @@ Poco::JSON::Object* JsonCreateUser::handle(Poco::Dynamic::Var params)
 		UniLib::controller::TaskPtr create_authenticated_encrypten_key = new AuthenticatedEncryptionCreateKeyTask(user, password);
 		create_authenticated_encrypten_key->scheduleTask(create_authenticated_encrypten_key);
 	}
-	
+
 	auto emailOptIn = controller::EmailVerificationCode::create(userModel->getID(), model::table::EMAIL_OPT_IN_REGISTER);
 	auto emailOptInModel = emailOptIn->getModel();
 	if (!emailOptInModel->insertIntoDB(false)) {
@@ -105,10 +114,14 @@ Poco::JSON::Object* JsonCreateUser::handle(Poco::Dynamic::Var params)
 
 	if (login_after_register && session) {
 		Poco::JSON::Object* result = stateSuccess();
-
+        if(group_was_not_set) {
+            Poco::JSON::Array infos;
+            infos.add("group_id was not set, use 1 as default!");
+            result->set("info", infos);
+        }
 		result->set("session_id", session->getHandle());
 		return result;
 	}
 
 	return stateSuccess();
-}
\ No newline at end of file
+}