FROM docker.io/library/golang:1.21.4-alpine3.18 AS build ARG VERSION=latest COPY . /workspace WORKDIR /workspace RUN set -ex && \ apk update && \ apk add git make && \ make install VERSION=${VERSION} DESTDIR=/db-wait PREFIX=/usr FROM docker.io/library/alpine:3.19 ARG VERSION=latest LABEL org.opencontainers.image.authors="Markus Pesch" \ org.opencontainers.image.description="Wait until database is ready for handling connections" \ org.opencontainers.image.documentation="https://git.cryptic.systems/volker.raschek/db-wait#db-wait" \ org.opencontainers.image.title="db-wait" \ org.opencontainers.image.vendor="Markus Pesch" \ org.opencontainers.image.version="${VERSION}" COPY --from=build /db-wait / ENTRYPOINT [ "/usr/bin/db-wait" ]