diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..14e31707d9386ffc888473d31dfd32479893a70b
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,18 @@
+# syntax=docker/dockerfile:1
+ARG BASE_IMAGE=ubuntu:20.04
+FROM ${BASE_IMAGE}
+LABEL maintainer="https://hub.docker.com/u/iedaopensource"
+
+ARG IFLOW_WORKSPACE=/opt/iFlow
+ENV PATH=${iEDA_BINARY_DIR}:${PATH}
+ENV TZ=Asia/Hong_Kong
+
+ADD https://gitee.com/oscc-project/iFlow.git ${IFLOW_WORKSPACE} 
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN ln -sf /usr/share/zoneinfo/${TZ} /etc/localtime
+
+WORKDIR ${IFLOW_WORKSPACE}
+
+RUN bash ${IFLOW_WORKSPACE}/build_iflow.sh && \
+    rm -rf $(find .  -name "build" -o -name "test" -o -name ".git")
diff --git a/build_iflow.sh b/build_iflow.sh
index 0a2abab9d3cfc72c6c4205e48b8b9b15adda5d71..2b6fa52f349c83a9ff2506ea2aa8d0d734e8102d 100755
--- a/build_iflow.sh
+++ b/build_iflow.sh
@@ -35,13 +35,13 @@ export IFLOW_ROOT_DIR
 export IFLOW_SHELL_DIR
 export IFLOW_TOOLS_DIR
 export IFLOW_MIRROR_URL
+export DEBIAN_FRONTEND=noninteractive
 
 source $IFLOW_SHELL_DIR/common.sh
 
 # essential package
-RUN_ROOT apt install wget build-essential clang libreadline-dev bison flex libffi-dev cmake libboost-all-dev swig klayout libeigen3-dev libspdlog-dev -y
-# tcl
-RUN_ROOT apt install tcl-dev -y
+RUN_ROOT apt-get update && apt-get install -y git wget build-essential clang libreadline-dev \
+    bison flex libffi-dev cmake libboost-all-dev swig klayout libeigen3-dev libspdlog-dev tcl-dev
 RUN_ROOT cp -f /usr/include/tcl8.6/*.h /usr/include/
 RUN_ROOT ln -s -f /usr/lib/x86_64-linux-gnu/libtcl8.6.so /usr/lib/x86_64-linux-gnu/libtcl8.5.so
 
@@ -60,10 +60,6 @@ CHECK_DIR /usr/local/include/lemon ||\
         RUN rm -rf lemon-1.3.1 lemon-1.3.1.tar.gz
 }
 
-# update iFlow
-RUN cd $IFLOW_ROOT_DIR
-RUN git pull origin master
-
 # install tools
 RUN $IFLOW_SHELL_DIR/install_tools.sh