diff --git a/Dockerfile b/Dockerfile
index b257604b..80a50c20 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,8 +29,9 @@ ENV DEBIAN_FRONTEND noninteractive
 ENV CRAWLAB_IS_DOCKER Y
 
 # install packages
-RUN apt-get update \
-	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate python3 python3-pip nginx wget aptitude \
+RUN chmod 777 /tmp \
+	&& apt-get update \
+	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate python3 python3-pip nginx wget \
 	&& ln -s /usr/bin/pip3 /usr/local/bin/pip \
 	&& ln -s /usr/bin/python3 /usr/local/bin/python
 
diff --git a/Dockerfile.local b/Dockerfile.local
index b4513089..43cd874c 100644
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -25,10 +25,13 @@ FROM ubuntu:latest
 # set as non-interactive
 ENV DEBIAN_FRONTEND noninteractive
 
+# set CRAWLAB_IS_DOCKER
+ENV CRAWLAB_IS_DOCKER Y
+
 # install packages
 RUN chmod 777 /tmp \
 	&& apt-get update \
-	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate python3 python3-pip nginx wget aptitude \
+	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate python3 python3-pip nginx wget \
 	&& ln -s /usr/bin/pip3 /usr/local/bin/pip \
 	&& ln -s /usr/bin/python3 /usr/local/bin/python