# Build the manager binary
FROM golang:1.18 as builder

ARG TARGETARCH
ARG GIT_HEAD_COMMIT
ARG GIT_TAG_COMMIT
ARG GIT_LAST_TAG
ARG GIT_MODIFIED
ARG GIT_REPO
ARG BUILD_DATE

WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN go mod download

# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/
COPY internal/ internal/
COPY indexers/ indexers/

# Build
RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build \
    -ldflags "-X github.com/clastix/kamaji/internal.GitRepo=$GIT_REPO -X github.com/clastix/kamaji/internal.GitTag=$GIT_LAST_TAG -X github.com/clastix/kamaji/internal.GitCommit=$GIT_HEAD_COMMIT -X github.com/clastix/kamaji/internal.GitDirty=$GIT_MODIFIED -X github.com/clastix/kamaji/internal.BuildTime=$BUILD_DATE" \
    -a -o manager main.go

# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder /workspace/manager .
COPY ./kamaji.yaml .
USER 65532:65532

ENTRYPOINT ["/manager"]