Updated to build via GitHub Actions and convert to a multi-arch build

Signed-off-by: Mark Ison <[email protected]>

.github/workflows/docker-tagged.yml

@@ -0,0 +1,46 @@
+name: Docker Tagged Build
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+
+      - name: Get TAG
+        id: get_tag
+        run: echo ::set-output name=TAG::${GITHUB_REF#refs/tags/}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
+
+      - name: Login to GHCR
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+          registry: ghcr.io
+
+      - name: Build image and push to container registies
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          push: true
+          tags: ghcr.io/openfaas/nats-connector:${{ steps.get_tag.outputs.TAG }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/docker.yml

@@ -0,0 +1,35 @@
+name: Docker Build
+
+on:
+  push:
+    branches:
+      - "*"
+  push_request:
+    branches:
+      - "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
+
+      - name: Build
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: false
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          tags: ghcr.io/openfaas/nats-connector:latest-dev

Dockerfile

@@ -1,4 +1,9 @@
-FROM golang:1.13 as build
+FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.13 as build
+
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
+ARG TARGETOS
+ARG TARGETARCH
 
 ENV GO111MODULE=on
 ENV CGO_ENABLED=0
@@ -16,9 +21,9 @@ COPY main.go    .
 RUN test -z "$(gofmt -l $(find . -type f -name '*.go' -not -path "./vendor/*"))"
 
 RUN go test -mod=vendor -v ./...
-RUN CGO_ENABLED=0 GOOS=linux go build -mod=vendor -a -ldflags "-s -w" -installsuffix cgo -o /usr/bin/connector
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -mod=vendor -a -ldflags "-s -w" -installsuffix cgo -o /usr/bin/connector
 
-FROM alpine:3.12 as ship
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.12 as ship
 RUN apk add --no-cache ca-certificates
 
 COPY --from=build /usr/bin/connector /usr/bin/connector

README.md

@@ -1,6 +1,6 @@
 # nats-connector
 
-[![Build Status](https://travis-ci.com/openfaas-incubator/nats-connector.svg?branch=master)](https://travis-ci.com/openfaas-incubator/nats-connector)
+[![Docker Build Status](https://github.com/openfaas-incubator/nats-connector/workflows/docker/badge.svg)](https://github.com/openfaas-incubator/nats-connector/actions)
 [![Go Report Card](https://goreportcard.com/badge/github.com/openfaas-incubator/nats-connector)](https://goreportcard.com/report/github.com/openfaas-incubator/nats-connector)
 [![GoDoc](https://godoc.org/github.com/openfaas-incubator/nats-connector?status.svg)](https://godoc.org/github.com/openfaas-incubator/nats-connector)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)