Merge pull request #352 from spotahome/build

Add cross architecture docker builds

Makefile

@@ -23,10 +23,22 @@ UID := $(shell id -u)
 
 # Commit hash from git
 COMMIT=$(shell git rev-parse HEAD)
+GITTAG_COMMIT := $(shell git rev-list --tags --max-count=1)
+GITTAG := $(shell git describe --abbrev=0 --tags ${GITTAG_COMMIT} 2>/dev/null || true)
 
 # Branch from git
 BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
 
+TAG := $(GITTAG:v%=%)
+ifneq ($(COMMIT), $(GITTAG_COMMIT))
+    TAG := $(COMMIT)
+endif
+
+ifneq ($(shell git status --porcelain),)
+    TAG := $(TAG)-dirty
+endif
+
+
 PROJECT_PACKAGE := github.com/spotahome/redis-operator
 CODEGEN_IMAGE := quay.io/slok/kube-code-generator:v1.22.0
 PORT := 9710
@@ -86,6 +98,18 @@ image: deps-development
 	-f $(APP_DIR)/Dockerfile \
 	.
 
+.PHONY: image-release
+image-release:
+	docker buildx build \
+	--platform linux/amd64,linux/arm64,linux/arm/v7 \
+	--push \
+	--build-arg VERSION=$(TAG) \
+	-t $(REPOSITORY):latest \
+	-t $(REPOSITORY):$(COMMIT) \
+	-t $(REPOSITORY):$(TAG) \
+	-f $(APP_DIR)/Dockerfile \
+	.
+
 .PHONY: testing
 testing: image
 	docker push $(REPOSITORY):$(BRANCH)
@@ -102,7 +126,7 @@ publish:
 	docker push $(REPOSITORY):latest
 
 .PHONY: release
-release: tag image publish
+release: tag image-release
 
 # Test stuff in dev
 .PHONY: unit-test

docker/app/Dockerfile

@@ -1,16 +1,20 @@
-FROM golang:1.17-alpine
+FROM --platform=$BUILDPLATFORM golang:1.17-alpine AS build
+RUN apk --no-cache add \
+  bash
 
-WORKDIR /go/src/github.com/spotahome/redis-operator
+WORKDIR /src
 COPY . .
-RUN ./scripts/build.sh
+
+ARG TARGETOS TARGETARCH VERSION
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH VERSION=$VERSION ./scripts/build.sh
 
 FROM alpine:latest
 RUN apk --no-cache add \
   ca-certificates
-COPY --from=0 /go/src/github.com/spotahome/redis-operator/bin/linux/redis-operator /usr/local/bin
+COPY --from=build /src/bin/redis-operator /usr/local/bin
 RUN addgroup -g 1000 rf && \
-    adduser -D -u 1000 -G rf rf && \
-    chown rf:rf /usr/local/bin/redis-operator
+  adduser -D -u 1000 -G rf rf && \
+  chown rf:rf /usr/local/bin/redis-operator
 USER rf
 
 ENTRYPOINT ["/usr/local/bin/redis-operator"]

scripts/build.sh

@@ -1,7 +1,24 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
-export CGO_ENABLED=0
-export GOOS=linux
-export GO111MODULE=on
+set -o errexit
+set -o nounset
 
-go build -ldflags '-extldflags "-static"' -a -v -o bin/linux/redis-operator ./cmd/redisoperator/
+src=./cmd/redisoperator
+out=./bin/redis-operator
+
+if [[ ! -z ${TARGETOS} ]] && [[ ! -z ${TARGETARCH} ]];
+then
+    echo "Building ${TARGETOS}/${TARGETARCH} release..."
+    export GOOS=${TARGETOS}
+    export GOARCH=${TARGETARCH}
+    binary_ext=-${TARGETOS}-${TARGETARCH}
+else
+    echo "Building native release..."
+fi
+
+final_out=${out}${binary_ext}
+ldf_cmp="-w -extldflags '-static'"
+f_ver="-X main.Version=${VERSION:-dev}"
+
+echo "Building binary at ${out}"
+CGO_ENABLED=0 go build -o ${out} --ldflags "${ldf_cmp} ${f_ver}"  ${src}