simplify dockerfile

Dockerfile

@@ -6,50 +6,22 @@
 ARG BCI_MICRO=registry.suse.com/bci/bci-micro
 ARG BCI_GO=registry.suse.com/bci/golang
 ARG GO_VERSION=1.18
-ARG GORELEASER_XX_VERSION=1.2.5
 
-FROM registry.suse.com/bci/golang:1.18
-FROM crazymax/goreleaser-xx:1.2.5 AS goreleaser-xx
 #FROM $BCI_GO:$GO_VERSION AS base
 FROM registry.suse.com/bci/golang:1.18 AS base
-COPY --from=goreleaser-xx / /
-#RUN zypper --non-interactive install -y file git-core
 WORKDIR /src
 
 FROM base AS build
 ENV GO111MODULE=auto
-ENV CGO_ENABLED=0
-# GIT_REF is used by goreleaser-xx to handle the proper git ref when available.
-# It will fallback to the working tree info if empty and use "git tag --points-at"
-# or "git describe" to define the version info.
-ARG GIT_REF
-ARG TARGETPLATFORM
-ARG PKG="github.com/distribution/distribution/v3"
-ARG BUILDTAGS="include_oss include_gcs"
-RUN --mount=type=bind,target=/src,rw \
+ENV CGO_ENABLED=1
+RUN --mount=type=bind,target=/src \
   --mount=type=cache,target=/root/.cache/go-build \
   --mount=type=cache,target=/go/pkg/mod \
-  goreleaser-xx --debug \
-    --name="registry" \
-    --dist="/out" \
-    --main="./cmd/registry" \
-    --flags="-v" \
-    --ldflags="-s -w -X '$PKG/version.Version={{.Version}}' -X '$PKG/version.Revision={{.Commit}}' -X '$PKG/version.Package=$PKG'" \
-    --tags="$BUILDTAGS" \
-    --files="LICENSE" \
-    --files="README.md"
+  go build -o /go/bin/registry ./cmd/registry
 
-FROM scratch AS artifact
-COPY --from=build /out/*.tar.gz /
-COPY --from=build /out/*.zip /
-COPY --from=build /out/*.sha256 /
-
-FROM scratch AS binary
-COPY --from=build /usr/local/bin/registry* /
-
-FROM bci/bci-micro
+FROM registry.suse.com/bci/bci-micro
 COPY cmd/registry/config-dev.yml /etc/docker/registry/config.yml
-COPY --from=build /usr/local/bin/registry /bin/registry
+COPY --from=build /go/bin/registry /bin/registry
 VOLUME ["/var/lib/registry"]
 EXPOSE 5000
 ENTRYPOINT ["registry"]