FROM node:10-alpine
# due to https://github.com/http-party/http-server/issues/537

LABEL maintainer="Robert Kaussow <mail@geeklabor.de>" \
    org.label-schema.name="lhci" \
    org.label-schema.vcs-url="https://gitea.rknet.org/docker/lhci" \
    org.label-schema.vendor="Robert Kaussow" \
    org.label-schema.schema-version="1.0"

ARG BUILD_VERSION=latest

ENV LHCI_VERSION="${BUILD_VERSION:-latest}" \
    LHCI_BASE_DIR=/drone/src \
    FORCE_COLOR=true \
    NPM_CONFIG_LOGLEVEL=error \
    PATH=/usr/bin:$PATH

ADD overlay/ /

RUN apk --update add --virtual .build-deps curl && \
    apk add --update --no-cache git chromium jq && \
    curl -SsL -o /usr/local/bin/yq https://github.com/mikefarah/yq/releases/download/3.3.2/yq_linux_amd64 && \
    chmod 755 /usr/local/bin/yq && \
    LHCI_VERSION="${LHCI_VERSION##v}" && \
    LHCI_MAJOR="${LHCI_VERSION%%.*}" && \
    if [ -z "${LHCI_MAJOR//[0-9]}" ] && [ -n "$LHCI_MAJOR" ]; then \
        echo "Installing lhci version '$LHCI_VERSION' ..." && \
        npm install -g @lhci/cli@"$LHCI_VERSION"; \
    else \
        echo "Installing latest lhci ..." && \
        npm install -g @lhci/cli; \
    fi && \
    npm install -g lighthouse && \
    apk del .build-deps && \
    rm -rf /var/cache/apk/* && \
    rm -rf /tmp/* && \
    rm -rf /root/.cache/

USER root
CMD []
WORKDIR /drone/src
ENTRYPOINT ["/usr/bin/lhci", "autorun"]