ARG ARCH

# STEP 1 build executable binary
FROM amd64/golang:1.16.3-alpine3.13@sha256:734250bcdf5b6578e9596bf1e52824306469c7f55923b2e13a29e7c03ccd411e AS builder-amd64
FROM arm32v7/golang:1.16.3-alpine3.13@sha256:c9fe18379aa3cea020dd22ce32a861232e087e1954a54a625cf95c0e5eafd74c AS builder-arm
FROM arm64v8/golang:1.16.3-alpine3.13@sha256:3ac1ec8dc5ae7f05d2ac7197ed8870188fc80836d5fda118f9626dfdb76c0124 AS builder-arm64
FROM builder-${ARCH} AS builder

ENV CADVISOR_VERSION="v0.38.8"

WORKDIR $GOPATH/src/github.com/google/cadvisor

RUN apk upgrade --no-cache && apk add \
    libc6-compat="1.2.2-r0" \
    device-mapper="2.02.187-r1" \
    findutils="4.8.0-r0" \
    zfs="2.0.1-r0" \
    build-base="0.5-r2" \
    linux-headers="5.7.8-r0" \
    bash="5.1.0-r0" \
    git="2.30.2-r0" \
    wget="1.21.1-r1" \
    curl="7.74.0-r1" \
    tar="1.33-r1" && \
    curl -L "https://github.com/google/cadvisor/archive/${CADVISOR_VERSION}.tar.gz" | tar xvz --strip 1 && \
    ./build/build.sh

# STEP 2 build the image including only the binary
FROM amd64/alpine:3.13.4@sha256:e103c1b4bf019dc290bcc7aca538dc2bf7a9d0fc836e186f5fa34945c5168310 AS base-amd64
FROM arm32v7/alpine:3.13.4@sha256:59b46c319f3b66dfda96faafd0c6959e9b2f409792d0236204f270dfd0235960 AS base-arm
FROM arm64v8/alpine:3.13.4@sha256:071fa5de01a240dbef5be09d69f8fef2f89d68445d9175393773ee389b6f5935 AS base-arm64
FROM base-${ARCH}

RUN apk upgrade --no-cache && apk add \
    libc6-compat="1.2.2-r0" \
    device-mapper="2.02.187-r1" \
    findutils="4.8.0-r0" \
    zfs="2.0.1-r0" && \
    rm -rf /var/cache/apk/*

COPY --from=builder /go/src/github.com/google/cadvisor/cadvisor /usr/bin/cadvisor

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s CMD wget --quiet --tries=1 --spider http://127.0.0.1:8080/healthz || exit 1

ENTRYPOINT ["/usr/bin/cadvisor", "-logtostderr"]