Skaffold for Fission (#1172)

Skaffold for development of Fission and switching to multi-stage Dockerfile for all components.

environments/fetcher/cmd/Dockerfile

@@ -1,5 +0,0 @@
-FROM alpine:3.4
-
-ADD fetcher /
-
-EXPOSE 8000

environments/fetcher/cmd/Dockerfile.fission-fetcher

@@ -0,0 +1,26 @@
+FROM golang:1.11-alpine as builder
+RUN apk add bash ca-certificates git gcc g++ libc-dev
+
+ARG GITCOMMIT=unknown
+# E.g. GITCOMMIT=$(git rev-parse HEAD)
+
+ARG BUILDVERSION=unknown
+# E.g. BUILDVERSION=$(git rev-parse HEAD)
+
+ARG BUILDDATE=unknown
+# E.g. BUILDDATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+
+ARG GOPKG=github.com/fission/fission
+COPY . /go/src/${GOPKG}
+WORKDIR /go/src/${GOPKG}/environments/fetcher/cmd
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -o /go/bin/fetcher \
+    -gcflags=-trimpath=$GOPATH \
+    -asmflags=-trimpath=$GOPATH \
+    -ldflags "-X github.com/fission/fission.GitCommit=${GITCOMMIT} -X github.com/fission/fission.BuildDate=${BUILDDATE} -X github.com/fission/fission.Version=${BUILDVERSION}"
+
+FROM alpine:3.4
+COPY --from=builder /go/bin/fetcher /
+EXPOSE 8000
+
+ENTRYPOINT ["/fetcher"]

environments/fetcher/cmd/build.sh

@@ -1,17 +0,0 @@
-#!/bin/sh
-version=$1
-if [ -z $version ]; then
-    version=$(git rev-parse HEAD)
-fi
-
-date=$2
-if [ -z $date ]; then
-    date=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
-fi
-
-gitcommit=$3
-if [ -z $gitcommit ]; then
-    gitcommit=$(git rev-parse HEAD)
-fi
-
-CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -gcflags=-trimpath=$GOPATH -asmflags=-trimpath=$GOPATH -ldflags "-X github.com/fission/fission.GitCommit=$gitcommit -X github.com/fission/fission.BuildDate=$date -X github.com/fission/fission.Version=$version" -o fetcher .