site/mage.go

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// +build mage
package main
import (
"context"
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"fmt"
"os"
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"github.com/magefile/mage/mg"
)
// Setup installs the tools that other parts of the build process depend on.
func Setup(ctx context.Context) {
shouldWork(ctx, nil, wd, "go", "get", "-u", "-v", "github.com/GeertJohan/go.rice/rice")
}
// Generate runs all of the code generation.
func Generate(ctx context.Context) {
shouldWork(ctx, nil, wd, "rice", "embed-go")
}
// Build creates the docker image xena/christine.website using box(1).
func Build() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
shouldWork(ctx, nil, wd, "box", "box.rb")
}
// Deploy does the work needed to deploy this image to the dokku server.
func Deploy(ctx context.Context) error {
mg.Deps(Build)
do := func(cmd string, args ...string) {
shouldWork(ctx, nil, wd, cmd, args...)
}
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tag, err := gitTag()
if err != nil {
return err
}
do("docker", "tag", "xena/christine.website", "xena/christine.website:"+tag)
do("docker", "push", "xena/christine.website:"+tag)
const dockerfileTemplate = `FROM xena/christine.website:${VERSION}
RUN apk add --no-cache bash`
data := os.Expand(dockerfileTemplate, func(inp string) string {
switch inp {
case "VERSION":
return tag
default:
return "<unknown arg " + inp + ">"
}
})
os.Remove("Dockerfile")
fout, err := os.Create("Dockerfile")
if err != nil {
return err
}
fmt.Fprintln(fout, Dockerfile)
fout.Close()
do("git", "add", "Dockerfile")
do("git", "commit", "-m", "Dockerfile: update for deployment")
do("git", "push", "dokku", "master")
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return nil
}