# build stage
FROM node:lts-alpine as build-stage

WORKDIR /app

COPY package*.json ./
RUN yarn install --frozen-lockfile

COPY . .
RUN yarn build

# Multi arch build support
FROM alpine as qemu

ARG QEMU_VERSION="v4.2.0-7"

RUN wget https://github.com/multiarch/qemu-user-static/releases/download/${QEMU_VERSION}/qemu-arm-static && chmod +x qemu-arm-static

# production stage
FROM arm32v7/alpine:3.11

COPY --from=qemu qemu-arm-static /usr/bin/

ENV GID 1000
ENV UID 1000
ENV PORT 8080
ENV SUBFOLDER "/_"
ENV INIT_ASSETS 1

RUN addgroup -S lighttpd -g ${GID} && adduser -D -S -u ${UID} lighttpd lighttpd && \
    apk add -U --no-cache lighttpd && \
    rm /usr/bin/qemu-arm-static

WORKDIR /www

COPY lighttpd.conf /lighttpd.conf
COPY entrypoint.sh /entrypoint.sh
COPY --from=build-stage --chown=${UID}:${GID} /app/dist /www/
COPY --from=build-stage --chown=${UID}:${GID} /app/dist/assets /www/default-assets

USER ${UID}:${GID}

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:${PORT}/ || exit 1

EXPOSE ${PORT}
VOLUME /www/assets

CMD ["lighttpd", "-D", "-f", "/lighttpd.conf"]