Dockerfile

ARG DOCKER_REGISTRY
ARG DISTROLESS_DOCKER_REGISTRY
ARG ALPINE_VERSION=3.22
FROM ${DOCKER_REGISTRY:+$DOCKER_REGISTRY/}golang:1.25-alpine${ALPINE_VERSION} AS go-builder

ARG PROJECT_NAME=zookeeper-operator
ARG REPO_PATH=github.com/adobe/$PROJECT_NAME

# Build version and commit should be passed in when performing docker build
ARG VERSION=0.0.0-localdev
ARG GIT_SHA=0000000

WORKDIR /src
COPY pkg ./pkg
COPY cmd ./cmd
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum

# Download all dependencies.
RUN go mod download

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

# Build
RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o /src/${PROJECT_NAME} \
    -ldflags "-X ${REPO_PATH}/pkg/version.Version=${VERSION} -X ${REPO_PATH}/pkg/version.GitSHA=${GIT_SHA}" main.go

FROM ${DISTROLESS_DOCKER_REGISTRY:-gcr.io/}distroless/static-debian11:nonroot AS final

# Re-declare ARG variables for the final stage
ARG PROJECT_NAME=zookeeper-operator
ARG VERSION=0.0.0-localdev
ARG GIT_SHA=0000000
ARG BUILT_AT

COPY --from=go-builder /src/${PROJECT_NAME} /usr/local/bin/${PROJECT_NAME}

# OCI standard labels
LABEL org.opencontainers.image.title="Zookeeper Operator"
LABEL org.opencontainers.image.description="Zookeeper Operator for Kubernetes"
LABEL org.opencontainers.image.version="${VERSION}"
LABEL org.opencontainers.image.revision="${GIT_SHA}"
LABEL org.opencontainers.image.created="${BUILT_AT}"
LABEL org.opencontainers.image.source="https://github.com/adobe/zookeeper-operator"
LABEL org.opencontainers.image.url="https://github.com/adobe/zookeeper-operator"
LABEL org.opencontainers.image.documentation="https://github.com/adobe/zookeeper-operator"
LABEL org.opencontainers.image.vendor="Adobe"
LABEL org.opencontainers.image.licenses="Apache-2.0"

ENTRYPOINT ["/usr/local/bin/zookeeper-operator"]