use tiny image

build.sh

@@ -3,7 +3,12 @@ if [ ! -f /usr/bin/pip3.8 ]; then
 fi
 
 if [ ! -f /usr/bin/docker ]; then
-    curl -fsSL https://get.docker.com | sh --mirror Aliyun
+    curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
+    tee /etc/docker/daemon.json <<-'EOF'
+{
+  "registry-mirrors": ["https://o4omo0yw.mirror.aliyuncs.com"]
+}
+EOF
     service docker start
 fi
 

config/golang/Dockerfile

-FROM golang:latest
-RUN useradd -s /bin/bash -m -l user
-USER user
-WORKDIR /home/user
\ No newline at end of file
+FROM golang:1.18-alpine
\ No newline at end of file

config/python/Dockerfile

-FROM python:latest
-RUN useradd -s /bin/bash -m -l user
-USER user
-WORKDIR /home/user
+FROM python:3.7-alpine
\ No newline at end of file