ARG ALPINE_VERSION=3.23.3

FROM alpine:${ALPINE_VERSION} AS builder

# update package registry, install bash and git
RUN apk update; apk add --no-cache bash; apk add --no-cache git; apk cache clean

# add separate step to avoid making layers
FROM alpine:${ALPINE_VERSION}

COPY --from=builder . .

# labels
LABEL org.opencontainers.image.source=https://git.dzuchun.ing/actions/alpine