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
|
#
# First Stage
#
# Build go application using base image with golang installed
Bootstrap: docker
From: golang:1.12.3-alpine3.9
Stage: one
%post
# prep environment
export PATH="/go/bin:/usr/local/go/bin:$PATH"
export HOME="/root"
cd /root
# insert source code, could also be copied from host with %files
cat << EOF > hello.go
package main
import "fmt"
func main() {
fmt.Printf("Hello World!\n")
}
EOF
# build go application
go build -o hello hello.go
#
# Second Stage
#
# Install go application into image without golang installed
Bootstrap: library
From: alpine:3.11.5
Stage: two
# install go binary from stage one
%files from one
/root/hello /bin/hello
# run application
%runscript
hello
|
