Make webhookstash a static binary

sample-functions/WebhookStash/.gitignore

@@ -0,0 +1 @@
+app

sample-functions/WebhookStash/Dockerfile

@@ -1,15 +1,16 @@
-FROM golang:1.7.5
-RUN mkdir -p /go/src/app
-COPY handler.go /go/src/app
-WORKDIR /go/src/app
-RUN go get -d -v
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
+FROM alpine:latest
 
+WORKDIR /root/
 
-ADD https://github.com/alexellis/faas/releases/download/0.5.1-alpha/fwatchdog /usr/bin
+EXPOSE 8080
+ENV http_proxy      ""
+ENV https_proxy     ""
 
+ADD https://github.com/alexellis/faas/releases/download/v0.5-alpha/fwatchdog /usr/bin
 RUN chmod +x /usr/bin/fwatchdog
 # COPY fwatchdog  /usr/bin/
 
-ENV fprocess="/go/src/app/app"
+COPY app    .
+
+ENV fprocess="/root/app"
 CMD ["fwatchdog"]

sample-functions/WebhookStash/Dockerfile.build

@@ -0,0 +1,9 @@
+FROM golang:1.7.5
+
+RUN mkdir -p /go/src/app
+COPY handler.go /go/src/app
+WORKDIR /go/src/app
+RUN go get -d -v
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
+
+CMD ["/bin/true"]

sample-functions/WebhookStash/build.sh

@@ -1,3 +1,10 @@
-#!/bin/bash
+#!/bin/sh
+echo Building functions/webhookstash:build
 
-docker build -t alexellis2/faas-webhookstash .
+docker build --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -t functions/webhookstash:build . -f Dockerfile.build && \
+  docker create --name hook_extract functions/webhookstash:build
+docker cp hook_extract:/go/src/app/app ./app
+docker rm -f hook_extract
+
+echo Building functions/webhookstash:latest
+docker build --no-cache -t functions/webhookstash:latest .