FROM ghcr.io/openfaas/license-check:0.4.1 as license-check

# Build stage
FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.18 as builder

ARG GIT_COMMIT
ARG VERSION

ENV GO111MODULE=on
ENV GOFLAGS=-mod=vendor
ENV CGO_ENABLED=0

WORKDIR /usr/bin/

COPY --from=license-check /license-check /usr/bin/

WORKDIR /go/src/github.com/openfaas/faas-cli
COPY . .

# Run a gofmt and exclude all vendored code.
RUN test -z "$(gofmt -l $(find . -type f -name '*.go' -not -path "./vendor/*"))" || { echo "Run \"gofmt -s -w\" on your Golang code"; exit 1; }

# ldflags "-s -w" strips binary
# ldflags -X injects commit version into binary

RUN /usr/bin/license-check -path ./ --verbose=false "Alex Ellis" "OpenFaaS Author(s)" "OpenFaaS Ltd" \
       && go test $(go list ./... | grep -v /vendor/ | grep -v /template/|grep -v /build/) -cover

FROM builder as linux
RUN CGO_ENABLED=0 GOOS=linux go build --ldflags "-s -w \
       -X github.com/openfaas/faas-cli/version.GitCommit=${GIT_COMMIT} \
       -X github.com/openfaas/faas-cli/version.Version=${VERSION} \
       -X github.com/openfaas/faas-cli/commands.Platform=x86_64" \
       -a -installsuffix cgo -o faas-cli

FROM builder as darwin
RUN CGO_ENABLED=0 GOOS=darwin go build --ldflags "-s -w \
       -X github.com/openfaas/faas-cli/version.GitCommit=${GIT_COMMIT} \
       -X github.com/openfaas/faas-cli/version.Version=${VERSION} \
       -X github.com/openfaas/faas-cli/commands.Platform=x86_64" \
       -a -installsuffix cgo -o faas-cli-darwin

FROM builder as windows
RUN CGO_ENABLED=0 GOOS=windows go build --ldflags "-s -w \
       -X github.com/openfaas/faas-cli/version.GitCommit=${GIT_COMMIT} \
       -X github.com/openfaas/faas-cli/version.Version=${VERSION} \
       -X github.com/openfaas/faas-cli/commands.Platform=x86_64" \
       -a -installsuffix cgo -o faas-cli.exe

FROM builder as arm
RUN CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=6 go build --ldflags "-s -w \
       -X github.com/openfaas/faas-cli/version.GitCommit=${GIT_COMMIT} \
       -X github.com/openfaas/faas-cli/version.Version=${VERSION} \
       -X github.com/openfaas/faas-cli/commands.Platform=armhf" \
       -a -installsuffix cgo -o faas-cli-armhf

FROM builder as arm64
RUN CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build --ldflags "-s -w \
       -X github.com/openfaas/faas-cli/version.GitCommit=${GIT_COMMIT} \
       -X github.com/openfaas/faas-cli/version.Version=${VERSION} \
       -X github.com/openfaas/faas-cli/commands.Platform=arm64" \
       -a -installsuffix cgo -o faas-cli-arm64

# Release stage
FROM alpine:3.16.2

RUN apk --no-cache add ca-certificates git

RUN addgroup -S app \
       && adduser -S -g app app \
       && apk add --no-cache ca-certificates

WORKDIR /home/app

COPY --from=linux    /go/src/github.com/openfaas/faas-cli/faas-cli                .
COPY --from=darwin   /go/src/github.com/openfaas/faas-cli/faas-cli-darwin         .
COPY --from=arm      /go/src/github.com/openfaas/faas-cli/faas-cli-armhf          .
COPY --from=windows  /go/src/github.com/openfaas/faas-cli/faas-cli.exe            .
COPY --from=arm64    /go/src/github.com/openfaas/faas-cli/faas-cli-arm64          .

RUN chown -R app:app ./

ENV PATH=$PATH:/home/app/

USER app

CMD ["faas-cli"]