chore: cache apt packages

judger/Dockerfile

@@ -2,6 +2,9 @@ FROM ubuntu:20.04
 
 ARG CLONE_ADDFLAG
 
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y vim ntp zip unzip curl wget build-essential fp-compiler python2.7 python3.8 python3-requests
+
 ADD . /opt/uoj_judger
 WORKDIR /opt/uoj_judger
 

judger/install.sh

@@ -60,12 +60,12 @@ UOJEOF
 }
 
 prepProgress(){
-    getAptPackage;setJudgeConf
+    setJudgeConf
 }
 
 if [ $# -le 0 ]; then
     echo 'Installing UOJ System judger...'
-    prepProgress;initProgress
+    getAptPackage;prepProgress;initProgress
 fi
 while [ $# -gt 0 ]; do
     case "$1" in