diff --git a/docker-compose.yml b/docker-compose.yml
index 35dc0bc3..99c36504 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -386,6 +386,14 @@ services:
         - POSTGRES_DB=${POSTGRES_DB}
         - POSTGRES_USER=${POSTGRES_USER}
         - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+        - GITLAB_POSTGRES_INIT=${GITLAB_POSTGRES_INIT}
+        - GITLAB_POSTGRES_USER=${GITLAB_POSTGRES_USER}
+        - GITLAB_POSTGRES_PASSWORD=${GITLAB_POSTGRES_PASSWORD}
+        - GITLAB_POSTGRES_DB=${GITLAB_POSTGRES_DB}
+        - JUPYTERHUB_POSTGRES_INIT=${JUPYTERHUB_POSTGRES_INIT}
+        - JUPYTERHUB_POSTGRES_USER=${JUPYTERHUB_POSTGRES_USER}
+        - JUPYTERHUB_POSTGRES_PASSWORD=${JUPYTERHUB_POSTGRES_PASSWORD}
+        - JUPYTERHUB_POSTGRES_DB=${JUPYTERHUB_POSTGRES_DB}
       networks:
         - backend
 
@@ -925,18 +933,19 @@ services:
         context: ./gitlab
       environment:
         GITLAB_OMNIBUS_CONFIG: |
-          external_url '${GITLAB_DOMAIN_NAME}'
-          redis['enable'] = false
-          nginx['listen_https'] = false
-          nginx['listen_port'] = 80
-          postgresql['enable'] = false
-          gitlab_rails['trusted_proxies'] = ['caddy','nginx','apache2']
-          gitlab_rails['redis_host'] = 'redis'
+          external_url '${GITLAB_DOMAIN_NAME}' 
+          redis['enable'] = false 
+          nginx['listen_https'] = false 
+          nginx['listen_port'] = 80 
+          nginx['custom_gitlab_server_config'] = "set_real_ip_from 172.0.0.0/8;\nreal_ip_header X-Real-IP;\nreal_ip_recursive on;"
+          postgresql['enable'] = false 
+          gitlab_rails['trusted_proxies'] = ['caddy','nginx','apache2'] 
+          gitlab_rails['redis_host'] = 'redis' 
           gitlab_rails['redis_database'] = 8
-          gitlab_rails['db_host'] = 'postgres'
-          gitlab_rails['db_username'] = 'laradock_gitlab'
-          gitlab_rails['db_password'] = 'laradock_gitlab'
-          gitlab_rails['db_database'] = 'laradock_gitlab'
+          gitlab_rails['db_host'] = '${GITLAB_POSTGRES_HOST}' 
+          gitlab_rails['db_username'] = '${GITLAB_POSTGRES_USER}'
+          gitlab_rails['db_password'] = '${GITLAB_POSTGRES_PASSWORD}'
+          gitlab_rails['db_database'] = '${GITLAB_POSTGRES_DB}'
           gitlab_rails['initial_root_password'] = '${GITLAB_ROOT_PASSWORD}'
           gitlab_rails['gitlab_shell_ssh_port'] = ${GITLAB_HOST_SSH_PORT}
       volumes:
@@ -955,12 +964,15 @@ services:
     gitlab-runner:
       image: gitlab/gitlab-runner:latest
       environment:
-        - CI_SERVER_URL=${GITLAB_DOMAIN_NAME}
+        - CI_SERVER_URL=${GITLAB_CI_SERVER_URL}
+        - REGISTRATION_TOKEN=${GITLAB_RUNNER_REGISTRATION_TOKEN}
+        - RUNNER_NAME=${COMPOSE_PROJECT_NAME}-runner
+        - REGISTER_NON_INTERACTIVE=${GITLAB_REGISTER_NON_INTERACTIVE}
+        - RUNNER_EXECUTOR=shell
       volumes:
         - ${DATA_PATH_HOST}/gitlab/runner:/etc/gitlab-runner
         - /var/run/docker.sock:/var/run/docker.sock:rw
-      restart: always
-
+      
 ### JupyterHub #########################################
     jupyterhub:
       build:
@@ -968,7 +980,6 @@ services:
       depends_on:
         - postgres
         - jupyterhub-user
-      restart: always
       volumes:
         - /var/run/docker.sock:/var/run/docker.sock:rw
         - ${DATA_PATH_HOST}/jupyterhub/:/data
@@ -989,7 +1000,8 @@ services:
         - JUPYTERHUB_OAUTH_CALLBACK_URL=${JUPYTERHUB_OAUTH_CALLBACK_URL}
         - JUPYTERHUB_OAUTH_CLIENT_ID=${JUPYTERHUB_OAUTH_CLIENT_ID}
         - JUPYTERHUB_OAUTH_CLIENT_SECRET=${JUPYTERHUB_OAUTH_CLIENT_SECRET}
-        - JUPYTERHUB_LOCAL_NOTEBOOK_IMAGE=${JUPYTERHUB_LOCAL_NOTEBOOK_IMAGE}
+        - JUPYTERHUB_LOCAL_NOTEBOOK_IMAGE=${COMPOSE_PROJECT_NAME}_jupyterhub-user
+        - JUPYTERHUB_ENABLE_NVIDIA=${JUPYTERHUB_ENABLE_NVIDIA}
     jupyterhub-user:
       build:
         context: ./jupyterhub
@@ -1039,9 +1051,10 @@ services:
       networks:
         - backend
 
-### PHPRedisAdmin ################################################
-    phpredisadmin:
-      image: erikdubbelboer/phpredisadmin:latest
+### REDISWEBUI ################################################
+    redis-webui:
+      build:
+        context: ./redis-webui
       environment:
         - ADMIN_USER=${REDIS_WEBUI_USERNAME}
         - ADMIN_PASS=${REDIS_WEBUI_PASSWORD}
@@ -1058,7 +1071,6 @@ services:
     mongo-webui:
       build:
         context: ./mongo-webui
-      restart: always
       environment:
         - ROOT_URL=${MONGO_WEBUI_ROOT_URL}
         - MONGO_URL=${MONGO_WEBUI_MONGO_URL}
diff --git a/env-example b/env-example
index d4f127fc..e2bd86e1 100644
--- a/env-example
+++ b/env-example
@@ -500,14 +500,25 @@ SOLR_DATAIMPORTHANDLER_MYSQL=false
 SOLR_DATAIMPORTHANDLER_MSSQL=false
 
 ### GITLAB ###############################################
+GITLAB_POSTGRES_INIT=true
 GITLAB_HOST_HTTP_PORT=8989
 GITLAB_HOST_HTTPS_PORT=9898
 GITLAB_HOST_SSH_PORT=2289
 GITLAB_DOMAIN_NAME=http://localhost
 GITLAB_ROOT_PASSWORD=laradock
 GITLAB_HOST_LOG_PATH=./logs/gitlab
+GITLAB_POSTGRES_HOST=postgres
+GITLAB_POSTGRES_USER=laradock_gitlab
+GITLAB_POSTGRES_PASSWORD=laradock_gitlab
+GITLAB_POSTGRES_DB=laradock_gitlab
+
+### GITLAB-RUNNER ###############################################
+GITLAB_CI_SERVER_URL=http://localhost:8989
+GITLAB_RUNNER_REGISTRATION_TOKEN=<my-registration-token>
+GITLAB_REGISTER_NON_INTERACTIVE=true
 
 ### JUPYTERHUB ###############################################
+JUPYTERHUB_POSTGRES_INIT=true
 JUPYTERHUB_POSTGRES_HOST=postgres
 JUPYTERHUB_POSTGRES_USER=laradock_jupyterhub
 JUPYTERHUB_POSTGRES_PASSWORD=laradock_jupyterhub
@@ -516,10 +527,10 @@ JUPYTERHUB_PORT=9991
 JUPYTERHUB_OAUTH_CALLBACK_URL=http://laradock:9991/hub/oauth_callback
 JUPYTERHUB_OAUTH_CLIENT_ID={GITHUB_CLIENT_ID}
 JUPYTERHUB_OAUTH_CLIENT_SECRET={GITHUB_CLIENT_SECRET}
-JUPYTERHUB_LOCAL_NOTEBOOK_IMAGE=laradock_jupyterhub-user
 JUPYTERHUB_CUSTOM_CONFIG=./jupyterhub/jupyterhub_config.py
 JUPYTERHUB_USER_DATA=/jupyterhub
 JUPYTERHUB_USER_LIST=./jupyterhub/userlist
+JUPYTERHUB_ENABLE_NVIDIA=false
 
 ### IPYTHON ##################################################
 LARADOCK_IPYTHON_CONTROLLER_IP=127.0.0.1
@@ -527,7 +538,7 @@ LARADOCK_IPYTHON_CONTROLLER_IP=127.0.0.1
 ### NETDATA ###############################################
 NETDATA_PORT=19999
 
-### PHPREDISADMIN #########################################
+### REDISWEBUI #########################################
 REDIS_WEBUI_USERNAME=laradock
 REDIS_WEBUI_PASSWORD=laradock
 REDIS_WEBUI_CONNECT_HOST=redis
diff --git a/ide-theia/Dockerfile b/ide-theia/Dockerfile
index 6d42bb48..9824b6a9 100644
--- a/ide-theia/Dockerfile
+++ b/ide-theia/Dockerfile
@@ -5,3 +5,5 @@ LABEL maintainer="ahkui <ahkui@outlook.com>"
 USER root
 
 RUN echo 'fs.inotify.max_user_watches=524288' >> /etc/sysctl.conf
+
+USER theia
diff --git a/jupyterhub/Dockerfile b/jupyterhub/Dockerfile
index 2016f773..ddea0be0 100644
--- a/jupyterhub/Dockerfile
+++ b/jupyterhub/Dockerfile
@@ -10,6 +10,7 @@ ENV JUPYTERHUB_OAUTH_CALLBACK_URL ${JUPYTERHUB_OAUTH_CALLBACK_URL}
 ENV JUPYTERHUB_OAUTH_CLIENT_ID ${JUPYTERHUB_OAUTH_CLIENT_ID}
 ENV JUPYTERHUB_OAUTH_CLIENT_SECRET ${JUPYTERHUB_OAUTH_CLIENT_SECRET}
 ENV JUPYTERHUB_LOCAL_NOTEBOOK_IMAGE ${JUPYTERHUB_LOCAL_NOTEBOOK_IMAGE}
+ENV JUPYTERHUB_ENABLE_NVIDIA ${JUPYTERHUB_ENABLE_NVIDIA}
 
 RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
 
diff --git a/jupyterhub/jupyterhub_config.py b/jupyterhub/jupyterhub_config.py
index 612296c6..e8da1b82 100644
--- a/jupyterhub/jupyterhub_config.py
+++ b/jupyterhub/jupyterhub_config.py
@@ -6,6 +6,9 @@ import os
 
 c = get_config()
 
+# create system users that don't exist yet
+c.LocalAuthenticator.create_system_users = True
+
 def create_dir_hook(spawner):
     username = spawner.user.name # get the username
     volume_path = os.path.join('/user-data', username)
@@ -45,8 +48,12 @@ network_name = os.environ.get('JUPYTERHUB_NETWORK_NAME','laradock_backend')
 c.DockerSpawner.use_internal_ip = True
 c.DockerSpawner.network_name = network_name
 
+enable_nvidia = os.environ.get('JUPYTERHUB_ENABLE_NVIDIA','false')
 # Pass the network name as argument to spawned containers
-c.DockerSpawner.extra_host_config = { 'network_mode': network_name, 'runtime': 'nvidia' }
+c.DockerSpawner.extra_host_config = { 'network_mode': network_name }
+if 'true' == enable_nvidia:
+    c.DockerSpawner.extra_host_config = { 'network_mode': network_name, 'runtime': 'nvidia' }
+    pass
 # c.DockerSpawner.extra_host_config = { 'network_mode': network_name, "devices":["/dev/nvidiactl","/dev/nvidia-uvm","/dev/nvidia0"] }
 # Explicitly set notebook directory because we'll be mounting a host volume to
 # it.  Most jupyter/docker-stacks *-notebook images run the Notebook server as
diff --git a/postgres/docker-entrypoint-initdb.d/init_gitlab_db.sh b/postgres/docker-entrypoint-initdb.d/init_gitlab_db.sh
index d9d7738a..4f4267df 100644
--- a/postgres/docker-entrypoint-initdb.d/init_gitlab_db.sh
+++ b/postgres/docker-entrypoint-initdb.d/init_gitlab_db.sh
@@ -33,9 +33,12 @@
 # EOSQL
 # 
 ### default database and user for gitlab ##############################################
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    CREATE USER laradock_gitlab WITH PASSWORD 'laradock_gitlab';
-    CREATE DATABASE laradock_gitlab;
-    GRANT ALL PRIVILEGES ON DATABASE laradock_gitlab TO laradock_gitlab;
-    ALTER ROLE laradock_gitlab CREATEROLE SUPERUSER;
-EOSQL
+if [ "$GITLAB_POSTGRES_INIT" == 'true' ]; then
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+		CREATE USER $GITLAB_POSTGRES_USER WITH PASSWORD '$GITLAB_POSTGRES_PASSWORD';
+		CREATE DATABASE $GITLAB_POSTGRES_DB;
+		GRANT ALL PRIVILEGES ON DATABASE $GITLAB_POSTGRES_DB TO $GITLAB_POSTGRES_USER;
+		ALTER ROLE $GITLAB_POSTGRES_USER CREATEROLE SUPERUSER;
+	EOSQL
+	echo
+fi
\ No newline at end of file
diff --git a/postgres/docker-entrypoint-initdb.d/init_jupyterhub_db.sh b/postgres/docker-entrypoint-initdb.d/init_jupyterhub_db.sh
index 6f3d44c3..787fabcf 100644
--- a/postgres/docker-entrypoint-initdb.d/init_jupyterhub_db.sh
+++ b/postgres/docker-entrypoint-initdb.d/init_jupyterhub_db.sh
@@ -33,9 +33,12 @@
 # EOSQL
 # 
 ### default database and user for jupyterhub ##############################################
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    CREATE USER laradock_jupyterhub WITH PASSWORD 'laradock_jupyterhub';
-    CREATE DATABASE laradock_jupyterhub;
-    GRANT ALL PRIVILEGES ON DATABASE laradock_jupyterhub TO laradock_jupyterhub;
-    ALTER ROLE laradock_jupyterhub CREATEROLE SUPERUSER;
-EOSQL
+if [ $JUPYTERHUB_POSTGRES_INIT == 'true' ]; then 
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+		CREATE USER $JUPYTERHUB_POSTGRES_USER WITH PASSWORD '$JUPYTERHUB_POSTGRES_PASSWORD';
+		CREATE DATABASE $JUPYTERHUB_POSTGRES_DB;
+		GRANT ALL PRIVILEGES ON DATABASE $JUPYTERHUB_POSTGRES_DB TO $JUPYTERHUB_POSTGRES_USER;
+		ALTER ROLE $JUPYTERHUB_POSTGRES_USER CREATEROLE SUPERUSER;
+	EOSQL
+	echo
+fi
diff --git a/redis-webui/Dockerfile b/redis-webui/Dockerfile
new file mode 100644
index 00000000..fb026acb
--- /dev/null
+++ b/redis-webui/Dockerfile
@@ -0,0 +1,3 @@
+FROM erikdubbelboer/phpredisadmin
+
+LABEL maintainer="ahkui <ahkui@outlook.com>"