ARG FROM_IMAGE ARG FROM_TAG FROM ${FROM_IMAGE}:${FROM_TAG} # > automatic buildx ARGs ARG TARGETARCH # > ARGs before FROM are not accessible ARG FROM_IMAGE ARG FROM_TAG # > Our custom ARGs # latest Node.js LTS versions ARG NODE_VERSION="20 24" ARG DISTRO=ubuntu ARG TYPE=act ARG RUNNER # > Force apt to not be interactive/not ask ENV DEBIAN_FRONTEND=noninteractive SHELL [ "/bin/bash", "--login", "-e", "-o", "pipefail", "-c" ] WORKDIR /tmp COPY ./linux/${DISTRO}/scripts /imagegeneration/installers RUN bash /imagegeneration/installers/${TYPE}.sh ARG BUILD_DATE ARG BUILD_TAG=${TYPE} ARG BUILD_REF ARG BUILD_TAG_VERSION ARG BUILD_OWNER ARG BUILD_REPO LABEL org.opencontainers.image.created="${BUILD_DATE}" LABEL org.opencontainers.image.vendor="${BUILD_OWNER}" LABEL org.opencontainers.image.authors="https://github.com/${BUILD_OWNER}" LABEL org.opencontainers.image.url="https://github.com/${BUILD_OWNER}/${BUILD_REPO}/tree/${BUILD_REF}/linux/${DISTRO}/${TYPE}/" LABEL org.opencontainers.image.source="https://github.com/${BUILD_OWNER}/${BUILD_REPO}" LABEL org.opencontainers.image.documentation="https://github.com/${BUILD_OWNER}/${BUILD_REPO}" LABEL org.opencontainers.image.version="${BUILD_TAG_VERSION}" LABEL org.opencontainers.image.title="${BUILD_TAG}-${TARGETARCH}" LABEL org.opencontainers.image.description="Special image built for using with https://github.com/nektos/act" LABEL org.opencontainers.image.revision="${BUILD_REF}" USER ${RUNNER}