1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
{% $goversion := 1.15 %}
cmd:
{% .name %}:
main.go: |
package main
func main() {
println("hello world")
}
version:
version.go: |
package version
var (
Package = "{% .gopkg %}"
Revision = ""
Version = "0.0.0+unknown"
)
go.mod: |
module {% .gopkg %}
go {% $goversion %}
Dockerfile: |
# syntax=docker/dockerfile:1.1-experimental
# vim: ft=dockerfile
ARG GO_VERSION={% $goversion %}
FROM --platform=${BUILDPLATFORM:?err} docker.io/tonistiigi/xx:golang AS xx
FROM --platform=${BUILDPLATFORM:?err} docker.io/library/golang:${GO_VERSION:?err}-alpine AS buildenv
COPY --from=xx / /
ARG TARGETPLATFORM
WORKDIR /src
RUN apk --update-cache --no-cache add make
FROM buildenv AS gotestsum
RUN go get gotest.tools/gotestsum@0.6.0
FROM buildenv AS golangcilint
RUN go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.27.0
FROM buildenv AS test
COPY --from=gotestsum /go/bin/gotestsum /usr/local/bin/
COPY --from=golangcilint /go/bin/golangci-lint /usr/local/bin/
RUN --mount=target=/src,rw \
--mount=type=cache,target=/go/pkg \
--mount=type=cache,target=/root/.cache \
make DESTDIR=/out clean validate test
FROM buildenv AS build
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 --platform=${TARGETPLATFORM:?err} docker.io/library/alpine:3.11 AS runtime-base
RUN apk --update-cache --no-cache add ca-certificates
FROM runtime-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 $(GO_PKG)/version.Version=$(VERSION) -X $(GO_PKG)/version.Revision=$(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-test
container-test:
DOCKER_BUILDKIT=1 \
docker build --platform $(PLATFORM) --target test -o type=tar,dest=/dev/null .
.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 (default: $(DESTDIR)/$(PREFIX))\n"
@printf " PLATFORM output platform (default: $(PLATFORM))\n"
@printf " REPO, TAG image repository:tag (default: $(REPO):$(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
|
