Switch to techknowlogic/xgo, add linux/arm64 build target, implement github workflows, fix go.mod go version

.dockerignore

@@ -0,0 +1 @@
+/release

.github/workflows/release.yaml

@@ -0,0 +1,36 @@
+name: Release
+
+on:
+  push:
+    tags: ['v*']
+
+jobs:
+  test:
+    uses: ./.github/workflows/test.yaml
+    secrets: inherit
+  release:
+    needs: [test]
+    runs-on: ubuntu-latest
+    name: Compile & archive release binaries
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+    - name: Cache xgo-cache
+      uses: actions/cache@v4
+      with:
+        path: /home/runner/.xgo-cache
+        key: xgo-cache
+    - name: Install techknowlogick/xgo
+      run: go install src.techknowlogick.com/[email protected]+1.23.2
+    - uses: docker/setup-buildx-action@v3
+    - name: Build rambler
+      run: PATH=/home/runner/.go/bin:$PATH make release
+    - name: Archive releases
+      uses: actions/upload-artifact@v4
+      with:
+        name: release
+        path: release/github.com/elwinar
+        retention-days: 90
+        if-no-files-found: error

.github/workflows/test.yaml

@@ -0,0 +1,18 @@
+name: Test
+
+on:
+  push:
+    branches: ['*']
+    tags: ['!v*']
+  workflow_call: {}
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+    - name: Test
+      run: go test ./...

.gitignore

@@ -3,3 +3,4 @@
 
 *.iml
 .idea/
+/release

Makefile

@@ -1,4 +1,4 @@
-targets="windows/amd64,windows/386,darwin/arm64,darwin/amd64,darwin/386,linux/amd64,linux/386"
+targets="windows/amd64,windows/386,darwin/arm64,darwin/amd64,darwin/386,linux/amd64,linux/arm64,linux/386"
 pkg="github.com/elwinar/rambler"
 version=$(shell git describe --tags)
 ldflags="-X main.VERSION=${version}"
@@ -16,8 +16,11 @@ help: ## Get help
 
 .PHONY: release
 release: ## Build the release files
-	xgo --dest release --targets=$(targets) --ldflags=$(ldflags) $(pkg)
-	docker-compose run -w /src main sh -c 'apk add build-base && go build -o release/rambler-alpine-amd64 --ldflags=${ldflags}'
+	mkdir -p release/github.com/elwinar
+	xgo --dest release --targets=$(targets) --ldflags=$(ldflags) .
+	docker buildx build --output type=tar --build-arg VERSION=${version} --platform linux/amd64 --file build.Dockerfile . | tar -xO rambler >release/github.com/elwinar/rambler-alpine-amd64
+	docker buildx build --output type=tar --build-arg VERSION=${version} --platform linux/arm64 --file build.Dockerfile . | tar -xO rambler >release/github.com/elwinar/rambler-alpine-arm64
+	chmod +x release/github.com/elwinar/rambler-alpine-amd64 release/github.com/elwinar/rambler-alpine-arm64
 
 .PHONY: test
 test: ## Test the project

build.Dockerfile

@@ -0,0 +1,10 @@
+FROM golang:1.21
+ARG TARGETARCH
+ARG VERSION
+COPY . /go/src/github.com/elwinar/rambler
+WORKDIR /go/src/github.com/elwinar/rambler
+RUN go get ./...
+RUN go build -ldflags="-X main.VERSION=${VERSION} -s -linkmode external -extldflags -static -w"
+
+FROM scratch
+COPY --from=0 /go/src/github.com/elwinar/rambler/rambler /

go.mod

@@ -1,6 +1,6 @@
 module github.com/elwinar/rambler
 
-go 1.18
+go 1.21
 
 require (
 	dario.cat/mergo v1.0.1