Dockerfile

FROM golang:1.20.6-alpine3.18 as builder

RUN apk add --no-cache --no-progress git make

COPY . /src
ARG BININFO_BUILD_DATE BININFO_COMMIT_HASH BININFO_VERSION # provided to 'make install'
RUN make -C /src install PREFIX=/pkg GO_BUILDFLAGS='-mod vendor'

################################################################################

FROM alpine:3.18

# upgrade all installed packages to fix potential CVEs in advance
RUN apk upgrade --no-cache --no-progress \
  && apk add --no-cache --no-progress ca-certificates
COPY --from=builder /pkg/bin/ /opt/resource/

ARG BININFO_BUILD_DATE BININFO_COMMIT_HASH BININFO_VERSION
LABEL source_repository="https://github.com/sapcc/concourse-swift-resource" \
  org.opencontainers.image.url="https://github.com/sapcc/concourse-swift-resource" \
  org.opencontainers.image.created=${BININFO_BUILD_DATE} \
  org.opencontainers.image.revision=${BININFO_COMMIT_HASH} \
  org.opencontainers.image.version=${BININFO_VERSION}