ARG PLUGINS_BUILD_IMAGE=quay.io/airshipit/alpine:3.13.5 FROM ${PLUGINS_BUILD_IMAGE} as ctls # Inject custom root certificate authorities if needed # Docker does not have a good conditional copy statement and requires that a source file exists # to complete the copy function without error. Therefore the README.md file will be copied to # the image every time even if there are no .crt files. RUN apk update && apk add curl COPY ./certs/* /usr/local/share/ca-certificates/ RUN update-ca-certificates ARG CCTL_VERSION=0.3.23 RUN curl -L https://github.com/kubernetes-sigs/cluster-api/releases/download/v${CCTL_VERSION}/clusterctl-linux-amd64 -o /clusterctl RUN chmod +x /clusterctl FROM quay.io/airshipit/clusterctl:latest as release COPY --from=ctls /clusterctl /usr/local/bin/