FROM alpine:3.14

WORKDIR /src
RUN \
  apk update && apk upgrade && \
  apk add --no-cache git openssl==1.1.1k-r0 wget==1.21.1-r1 && \
  git clone --depth 1 --branch 2.9.0 https://github.com/acmesh-official/acme.sh.git && \
  apk del git

WORKDIR /src/acme.sh