diff --git a/Dockerfile b/Dockerfile
index c6b2fc9..715b3ed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,16 +24,16 @@ ENV AUTOWARE_MSG_PKG="/ros_workspace/autoware_msgs/install/setup.bash"
 ENV ROS_PKG="/opt/ros/${ROS_DISTRO}/setup.bash"
 
 # install docker inside container
-RUN apt-get update -y\
-    apt-get install ca-certificates curl -y\
-    install -m 0755 -d /etc/apt/keyrings \
-    curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc \
-    chmod a+r /etc/apt/keyrings/docker.asc \
+RUN apt-get update -y && \
+    apt-get install ca-certificates curl -y && \
+    install -m 0755 -d /etc/apt/keyrings && \
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc && \
+    chmod a+r /etc/apt/keyrings/docker.asc && \
     echo \
         "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
         $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
-        tee /etc/apt/sources.list.d/docker.list > /dev/null \
-    apt-get update -y\
+        tee /etc/apt/sources.list.d/docker.list > /dev/null && \
+    apt-get update -y && \
     apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y
 
 # install pip requirements and carla