# Container image that runs your code FROM alpine:3.12 RUN apk update \ && apk add --no-cache wget \ && wget -O upx.tar.gz http://collection.b0.upaiyun.com/softwares/upx/upx_0.3.6_linux_x86_64.tar.gz \ && tar -zxf upx.tar.gz \ && chmod +x upx