FROM golang:1.9.7 as build
ARG VERSION
ARG GIT_COMMIT

RUN mkdir -p /go/src/github.com/openfaas/faas/watchdog
WORKDIR /go/src/github.com/openfaas/faas/watchdog

COPY main.go            	.
COPY handler.go			.
COPY readconfig.go      	.
COPY readconfig_test.go 	.
COPY requesthandler_test.go 	.
COPY types 			types
COPY version.go 		.

# Run a gofmt and exclude all vendored code.
RUN test -z "$(gofmt -l $(find . -type f -name '*.go' -not -path "./vendor/*"))"

RUN go test -v ./...
# Stripping via -ldflags "-s -w" 
RUN CGO_ENABLED=0 GOOS=linux go build -a -ldflags "-s -w \
        -X main.GitCommit=$GIT_COMMIT \
        -X main.Version=$VERSION" \
        -installsuffix cgo -o watchdog . \
    && GOARM=7 GOARCH=arm CGO_ENABLED=0 GOOS=linux go build -a -ldflags "-s -w \ 
        -X main.GitCommit=$GIT_COMMIT \
        -X main.Version=$VERSION" \
        -installsuffix cgo -o watchdog-armhf . \
    && GOARCH=arm64 CGO_ENABLED=0 GOOS=linux go build -a -ldflags "-s -w \ 
        -X main.GitCommit=$GIT_COMMIT \
        -X main.Version=$VERSION" \ 
        -installsuffix cgo -o watchdog-arm64 . \
    && GOOS=windows CGO_ENABLED=0 go build -a -ldflags "-s -w \
        -X main.GitCommit=$GIT_COMMIT \
        -X main.Version=$VERSION" \ 
        -installsuffix cgo -o watchdog.exe .