bazel go

README.md

Install

sudo apt install apt-transport-https curl gnupg -y
curl -fsSL https://bazel.build/bazel-release.pub.gpg | gpg --dearmor >bazel-archive-keyring.gpg
sudo mv bazel-archive-keyring.gpg /usr/share/keyrings
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/bazel-archive-keyring.gpg] https://storage.googleapis.com/bazel-apt stable jdk1.8" | sudo tee /etc/apt/sources.list.d/bazel.list
sudo apt update && sudo apt install -y bazel-6.4.0

Init

go mod init github.com/craftslab/hello
bazel run //:gazelle

Build

# target: bazel-bin/hello_/hello
bazel run //:hello

# target: bazel-bin/hello_go_proto_/github.com/craftslab/hello/hello.pb.go
bazel build //:hello_go_proto

Reference

• https://github.com/bazelbuild/rules_go
• https://github.com/bazelbuild/rules_go/blob/master/proto/core.rst#avoiding-conflicts
• https://github.com/bazelbuild/rules_proto

BUILD.bazel

load("@bazel_gazelle//:def.bzl", "gazelle")

# gazelle:prefix github.com/craftslab/hello
gazelle(name = "gazelle")

hello.go

package main

import (
	"os"
)

func main() {
	println("hello")

	os.Exit(0)
}

hello.proto

syntax = "proto3";

option go_package = "github.com/craftslab/hello";

package hello;

// The service definition.
service Greeter {
  rpc SayHello (HelloRequest) returns (HelloReply) {}
}

// The request message.
message HelloRequest {
  string name = 1;
}

// The response message.
message HelloReply {
  string message = 1;
}

WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "io_bazel_rules_go",
    sha256 = "d6b2513456fe2229811da7eb67a444be7785f5323c6708b38d851d2b51e54d83",
    urls = [
        "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.30.0/rules_go-v0.30.0.zip",
        "https://github.com/bazelbuild/rules_go/releases/download/v0.30.0/rules_go-v0.30.0.zip",
    ],
)

http_archive(
    name = "bazel_gazelle",
    sha256 = "de69a09dc70417580aabf20a28619bb3ef60d038470c7cf8442fafcf627c21cb",
    urls = [
        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.24.0/bazel-gazelle-v0.24.0.tar.gz",
        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.24.0/bazel-gazelle-v0.24.0.tar.gz",
    ],
)

http_archive(
    name = "com_google_protobuf",
    sha256 = "d0f5f605d0d656007ce6c8b5a82df3037e1d8fe8b121ed42e536f569dec16113",
    strip_prefix = "protobuf-3.14.0",
    urls = [
        "https://mirror.bazel.build/github.com/protocolbuffers/protobuf/archive/v3.14.0.tar.gz",
        "https://github.com/protocolbuffers/protobuf/archive/v3.14.0.tar.gz",
    ],
)

load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")
load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")

go_rules_dependencies()
go_register_toolchains(version = "1.17.6")
gazelle_dependencies()
protobuf_deps()