ARG ARCH

# STEP 1 build executable binary
FROM amd64/golang:1.16.0-alpine3.13@sha256:a459519e1a420c9ac6c9c8442994fb16cdf5790b87da8dfab8cf83898aee6fb3 AS builder-amd64
FROM arm32v7/golang:1.16.0-alpine3.13@sha256:02211dfefce87856aa28719de2e0769b90f95908d940107aad9fa3f67e73bbe1 AS builder-arm
FROM arm64v8/golang:1.16.0-alpine3.13@sha256:f218dbfbea2b3da379a53bf5a11655ed1d3d9cbe42d6e533e62f20dfb543fa74 AS builder-arm64
FROM builder-${ARCH} AS builder

ENV CADVISOR_VERSION="v0.37.5"

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="2.30.1-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:3.13.2@sha256:4661fb57f7890b9145907a1fe2555091d333ff3d28db86c3bb906f6a2be93c87 AS base-amd64
FROM arm32v7/alpine:3.13.2@sha256:db5f021b29ec8fcf605f00d2aac06345756b0ffbdea0e7994044fe9172619a0a AS base-arm
FROM arm64v8/alpine:3.13.2@sha256:c45a1db6e04b73aad9e06b08f2de11ce8e92d894141b2e801615fa7a8f68314a 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"]