// BuildFile builds the specified docker file in the context of the specified
// directory.
func BuildFile(dockerfile, dir, tag string) string {
if !file.Exists(dockerfile) {
cli.Fatalf("File does not exist: %s", dockerfile)
}
dir = path.Resolve(dir)
localDockerfile := ".SousDockerfile"
if file.Exists(localDockerfile) {
file.Remove(localDockerfile)
}
file.RemoveOnExit(localDockerfile)
// If there is a .gitignore, but no .dockerignore, link it as .dockerignore
if file.Exists(".gitignore") {
if file.Exists(".dockerignore") {
cli.Warn("./.dockerignore found, it is recommended to remove this so Sous can use your .gitignore")
} else {
file.TemporaryLink(".gitignore", ".dockerignore")
// We try to clean this file up early, in preperation for the next build step
defer file.Remove(".dockerignore")
}
}
file.TemporaryLink(dockerfile, localDockerfile)
// We try to clean the local Dockerfile up early, in preperation for the next build step
defer file.Remove(localDockerfile)
return dockerCmd("build", "-f", localDockerfile, "-t", tag, dir).Out()
}
func (t *AppTarget) PreDockerBuild(c *core.Context) {
if t.artifactPath == "" {
cli.Fatalf("Artifact path not set by compile target.")
}
if !file.Exists(t.artifactPath) {
cli.Fatalf("Artifact not at %s", t.artifactPath)
}
filename := path.Base(t.artifactPath)
localArtifact := filename
file.TemporaryLink(t.artifactPath, "./"+localArtifact)
t.artifactPath = localArtifact
}
func parseYAMLFile(f string, v interface{}) error {
if !file.Exists(f) {
return fmt.Errorf("%s not found", f)
}
b, err := ioutil.ReadFile(f)
if err != nil {
return err
}
if err := yaml.Unmarshal(b, v); err != nil {
return fmt.Errorf("unable to parse %s as %T: %s", f, v, err)
}
return nil
}
func (s *Sous) BuildImage(t Target, c *Context) {
c.IncrementBuildNumber()
if file.Exists("Dockerfile") {
cli.Warn("./Dockerfile ignored by sous; use `sous dockerfile %s` to see the Dockerfile in effect", t.Name())
}
if prebuilder, ok := t.(PreDockerBuilder); ok {
prebuilder.PreDockerBuild(c)
}
// NB: Always rebuild the Dockerfile after running pre-build, since pre-build
// may update target state to reflect things like copied file locations etc.
c.SaveFile(s.Dockerfile(t, c).Render(), "Dockerfile")
docker.BuildFile(c.FilePath("Dockerfile"), ".", c.DockerTag())
c.Commit()
}
