Add AlpineFunction to enable override of fprocess without new container

docker-compose.yml

@@ -54,6 +54,27 @@ services:
             no_proxy:   "gateway"
             https_proxy: $https_proxy
 
+    echoit:
+        image: alexellis2/faas-alpinefunction:latest
+        depends_on:
+            - gateway
+        networks:
+            - functions
+        environment:
+            fprocess:	"cat"
+            no_proxy:   "gateway"
+            https_proxy: $https_proxy
+
+    wordcount:
+        image: alexellis2/faas-alpinefunction:latest
+        depends_on:
+            - gateway
+        networks:
+            - functions
+        environment:
+            fprocess:	"wc"
+            no_proxy:   "gateway"
+            https_proxy: $https_proxy
 networks:
     functions:
         driver: overlay

sample-functions/AlpineFunction/Dockerfile

@@ -0,0 +1,7 @@
+FROM alpine:latest
+
+COPY fwatchdog  /usr/bin/
+
+# Populate example here
+# ENV fprocess="wc -l"
+CMD ["fwatchdog"]

sample-functions/AlpineFunction/build.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker build -t alexellis2/faas-alpinefunction .

sample-functions/WordCountFunction/Dockerfile

@@ -0,0 +1,7 @@
+FROM alexellis2/faas-alpinefunction
+
+COPY fwatchdog  /usr/bin/
+
+# Populate example here
+ENV fprocess="wc -l"
+CMD ["fwatchdog"]

sample-functions/WordCountFunction/build.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+docker build -t alexellis2/faas-wordcount:latest .
+