Add ARM dockerfiles

Signed-off-by: Alex Ellis <[email protected]>

template/node-armhf/Dockerfile

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+FROM arm32v6/alpine:3.6
+
+RUN apk add --no-cache nodejs nodejs-npm ca-certificates
+RUN apk --no-cache add curl \
+    && echo "Pulling watchdog binary from Github." \
+    && curl -sSL https://github.com/alexellis/faas/releases/download/0.6.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog \
+    && apk del curl --no-cache
+
+WORKDIR /root/
+
+COPY package.json   .
+
+RUN npm i
+COPY index.js       .
+COPY function       function
+WORKDIR /root/function
+
+ENV NPM_CONFIG_LOGLEVEL warn
+RUN npm i || :
+WORKDIR /root/
+
+ENV cgi_headers="true"
+
+ENV fprocess="node index.js"
+
+HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1
+
+CMD ["fwatchdog"]

template/python-armhf/Dockerfile

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+FROM armhf/python:2.7-alpine
+# 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/alexellis/faas/releases/download/0.6.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog \
+    && apk del curl --no-cache
+
+WORKDIR /root/
+
+COPY index.py           .
+COPY requirements.txt   .
+RUN pip install -r requirements.txt
+
+COPY function           function
+
+RUN touch ./function/__init__.py
+
+WORKDIR /root/function/
+COPY function/requirements.txt	.
+RUN pip install -r requirements.txt
+
+WORKDIR /root/
+
+ENV fprocess="python index.py"
+
+HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1
+
+CMD ["fwatchdog"]