FROM alpine:3.8
RUN apk --no-cache add nodejs nodejs-npm

RUN apk --no-cache add curl \
    && curl -sL https://github.com/openfaas/faas/releases/download/0.9.6/fwatchdog-armhf > /usr/bin/fwatchdog \
    && chmod +x /usr/bin/fwatchdog

COPY package.json .
COPY main.js .
RUN npm i
ENV fprocess="node main.js"
HEALTHCHECK --interval=5s CMD [ -e /tmp/.lock ] || exit 1
CMD ["fwatchdog"]