FROM golang:1.18-alpine as build COPY . /src WORKDIR /src RUN CGO_ENABLED=0 go build -v -a -tags netgo -o docker-buildx ./cmd/docker-buildx FROM docker:20.10-dind ARG BUILDX_VERSION # renovate: datasource=github-releases depName=docker/buildx ENV BUILDX_VERSION="${BUILDX_VERSION:-v0.9.1}" ENV DOCKER_HOST=unix:///var/run/docker.sock RUN \ apk --update add --virtual .build-deps curl && \ mkdir -p /usr/lib/docker/cli-plugins/ && \ curl -SsL -o /usr/lib/docker/cli-plugins/docker-buildx "https://github.com/docker/buildx/releases/download/v${BUILDX_VERSION##v}/buildx-v${BUILDX_VERSION##v}.linux-amd64" && \ chmod 755 /usr/lib/docker/cli-plugins/docker-buildx && \ apk del .build-deps && \ rm -rf /var/cache/apk/* && \ rm -rf /tmp/* COPY --from=build /src/docker-buildx /bin/docker-buildx ENTRYPOINT ["/usr/local/bin/dockerd-entrypoint.sh", "docker-buildx"]