FROM node:6.11.2-alpine

RUN addgroup -S app && adduser -S -g app app

# Alternatively use ADD https:// (which will not be cached by Docker builder)
RUN apk --no-cache add curl \
    && echo "Pulling watchdog binary from Github." \
    && curl -sSL https://github.com/openfaas/faas/releases/download/0.6.6b/fwatchdog > /usr/bin/fwatchdog \
    && chmod +x /usr/bin/fwatchdog \
    && apk del curl --no-cache

WORKDIR /root/

# Turn down the verbosity to default level.
ENV NPM_CONFIG_LOGLEVEL warn

RUN mkdir -p /home/app

# Wrapper/boot-strapper
COPY package.json       /home/app

WORKDIR /home/app
RUN npm i

# Function
COPY index.js           /home/app

COPY function/*.json    /home/app/function/
WORKDIR /home/app/function
RUN npm i || :
WORKDIR /home/app/
COPY function           ./function
RUN chown app:app -R /home/app
#RUN chmod 777 /tmp

USER app

ENV cgi_headers="true"

ENV fprocess="node index.js"

HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1

CMD ["fwatchdog"]