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|
{% $goversion := 1.14 %}
{% $gopkg := (printf "example.com/%s" .name) %}
{% with .pkg %}{% $gopkg = . %}{% end %}
cmd:
{% .name %}:
main.go: |
package main
func main() {
println("hello world")
}
version:
version.go: |
package version
var (
Version = "0.0.0+unknown"
Revision = ""
)
go.mod: |
module {% $gopkg %}
go {% $goversion %}
Dockerfile: |
# syntax=docker/dockerfile:1.1-experimental
# vim: ft=dockerfile
FROM --platform=$BUILDPLATFORM docker.io/library/alpine:3.11 AS base
RUN apk add -U --no-cache ca-certificates
FROM --platform=$BUILDPLATFORM docker.io/tonistiigi/xx:golang AS xx
FROM --platform=$BUILDPLATFORM docker.io/library/golang:{% $goversion %}-alpine AS build
COPY --from=xx / /
ARG TARGETPLATFORM
WORKDIR /src
RUN apk add -U --no-cache make
RUN --mount=target=/src,rw \
--mount=type=cache,target=/go/pkg \
--mount=type=cache,target=/root/.cache \
make DESTDIR=/out clean build
FROM scratch AS final
COPY --from=build /out/{% .name %} /
FROM base AS run
COPY --from=build /out/{% .name %} /usr/local/bin/
ENTRYPOINT [ "{% .name %}" ]
Makefile: |
.POSIX:
all: validate test {% .name %}
DESTDIR ?= .
PREFIX ?=
VERSION ?= $(shell git describe --match 'v[0-9]*' --dirty='+dev' --always --tags)
REVISION ?= $(shell git rev-parse HEAD)
GO ?= go
GO_PKG ?= {% $gopkg %}
GO_BUILDTAGS ?= netgo osusergo static_build
GO_LDFLAGS ?= -s -w -extldflags "-static"
GO_VERSIONFLAGS = -X {% $gopkg %}/version.Version=$(VERSION) -X {% $gopkg %}/version.Revision=$(REVISION)
.PHONY: build
build: {% .name %}
{% .name %}:
$(GO) build \
-tags '$(GO_BUILDTAGS)' -ldflags '$(GO_LDFLAGS) $(GO_VERSIONFLAGS)' \
-o $(DESTDIR)$(PREFIX)/{% .name %} \
./cmd/{% .name %}
PLATFORM ?= linux/amd64
REPO ?= {% .name %}
TAG ?= $(VERSION)
.PHONY: container-build
container-build:
DOCKER_BUILDKIT=1 \
docker build --platform $(PLATFORM) --target final -o . .
.PHONY: container-image
container-image:
DOCKER_BUILDKIT=1 \
docker build --platform $(PLATFORM) --target run -t $(REPO):$(TAG) .
.PHONY: cross
cross:
docker run --rm -it --privileged \
--mount type=bind,src=$(PWD),dst=/src \
--entrypoint buildctl-daemonless.sh \
moby/buildkit:latest \
buildctl build --frontend=dockerfile.v0 \
--local context=/src --local dockerfile=/src \
--opt filename=Dockerfile \
--opt platform=$(PLATFORM) \
--opt target=run \
--output type=image,name=$(REPO):$(TAG),push=true
GOLANGCI_LINT ?= golangci-lint
.PHONY: validate
validate:
$(GOLANGCI_LINT) run --build-tags "$(GO_BUILDTAGS)"
GOTEST_FLAGS ?=
ifneq ($(shell which gotestsum),)
GOTEST ?= gotestsum --format=testname --
else
GOTEST ?= go test
endif
.PHONY: test
test:
$(GOTEST) \
-tags '$(GO_BUILDTAGS)' \
-cover \
-covermode=atomic \
$(GOTEST_FLAGS)
RM ?= rm -f
.PHONY: clean
clean:
$(RM) {% .name %}
.PHONY: help
help:
@printf "usage:\n"
@printf "\n"
@printf " build local build\n"
@printf " validate linter\n"
@printf " test tests\n"
@printf " container-build build w/ docker\n"
@printf " container-image image build\n"
@printf " cross build w/ buildkit (multi-platform support)\n"
@printf "\n"
@printf " DESTDIR, PREFIX output location\n"
@printf " PLATFORM output platform\n"
@printf " REPO, TAG image repository:tag\n"
@printf "\n"
.editorconfig: |
; http://editorconfig.org/
root = true
[*]
insert_final_newline = true
charset = utf-8
trim_trailing_whitespace = true
indent_style = space
indent_size = 2
[{Makefile,go.mod,go.sum,*go}]
indent_style = tab
indent_size = 8
[*.md]
trim_trailing_whitespace = false
[Dockerfile]
indent_size = 4
README.md: |
# {% .name %}
TODO
|
