Dockerfile

ARG KUBECTL_VERSION=1.31.2
FROM golang:1.22-alpine AS go-builder
ARG TARGETARCH
ARG TARGETOS
# https://stackoverflow.com/questions/36279253/go-compiled-binary-wont-run-in-an-alpine-docker-container-on-ubuntu-host
RUN apk add --no-cache libc6-compat gcc musl-dev
COPY go.mod /src/go.mod
COPY go.sum /src/go.sum
WORKDIR /src
ARG LOCAR_VERSION=0.4.3
ADD --chmod=655 https://github.com/weka/locar/releases/download/$LOCAR_VERSION/locar-$LOCAR_VERSION-$TARGETOS-$TARGETARCH locar
RUN go mod download
ARG VERSION
RUN echo Building binaries version $VERSION for architecture $TARGETARCH
RUN echo Downloading required Go modules
ADD go.mod /src/go.mod
# Need to add true in between to avoid "failed to get layer"
# https://stackoverflow.com/questions/51115856/docker-failed-to-export-image-failed-to-create-image-failed-to-get-layer
RUN true
ADD go.sum /src/go.sum
RUN true
ADD pkg /src/pkg
RUN true
ADD cmd /src/cmd
RUN true


RUN echo Building package
RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -a -ldflags '-X main.version='$VERSION' -extldflags "-static"' -o "/bin/wekafsplugin" /src/cmd/*
FROM registry.k8s.io/kubernetes/kubectl:v${KUBECTL_VERSION} AS kubectl

FROM alpine:3.18
LABEL maintainers="WekaIO, LTD"
LABEL description="Weka CSI Driver"

RUN apk add --no-cache util-linux libselinux libselinux-utils util-linux  \
    pciutils usbutils coreutils binutils findutils  \
    grep bash nfs-utils rpcbind ca-certificates jq
# Update CA certificates
RUN update-ca-certificates
COPY --from=kubectl /bin/kubectl /bin/kubectl
COPY --from=go-builder /bin/wekafsplugin /wekafsplugin
COPY --from=go-builder /src/locar /locar
ARG binary=/bin/wekafsplugin
EXPOSE 2049 111/tcp 111/udp
ENTRYPOINT ["/wekafsplugin"]