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Bootstrap: docker
From: {{ DEVEL_IMAGE }}
Stage: devel
%arguments
HOME=/root
%post
# prep environment
export PATH="/go/bin:/usr/local/go/bin:$PATH"
export HOME={{ HOME }}
cd {{ HOME }}
# insert source code, could also be copied from the host with %files
cat << EOF > hello.go
package main
import "fmt"
func main() {
fmt.Printf("Hello World!\n")
}
EOF
go build -o hello hello.go
# Install binary into the final image
Bootstrap: docker
From: {{ FINAL_IMAGE }}
Stage: final
%arguments
FINAL_IMAGE=alpine:3.17
# install binary from stage one
%files from devel
{{ HOME }}/hello /bin/hello
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